https://industrialvalveselect.com Industry news and technical insights on industrial valve selection. https://industrialvalveselect.com/tech/iso-5211-2026-part-turn-actuator-attachments https://industrialvalveselect.com/tech/iso-5211-2026-part-turn-actuator-attachments Mon, 02 Nov 2026 08:00:00 GMT The 2026 edition updates through-bolting while leaving the standard's basic division intact: flange and drive dimensions belong to the interface; valve torque, actuator sizing and the support-to-valve connection do not become a complete selection answer. https://industrialvalveselect.com/news/uzbekistan-gas-project-ball-valves-delivery-china https://industrialvalveselect.com/news/uzbekistan-gas-project-ball-valves-delivery-china Mon, 02 Nov 2026 08:00:00 GMT More than 100 ball valves, including sizes up to 40 in. and ratings up to Class 900, have been delivered by a Chinese manufacturer to a natural-gas project in Uzbekistan. https://industrialvalveselect.com/tech/asme-uv-stamp-nb-registration-relief-valve-certification https://industrialvalveselect.com/tech/asme-uv-stamp-nb-registration-relief-valve-certification Thu, 29 Oct 2026 08:00:00 GMT Since the 2021 edition, every overpressure-protection rule in the ASME Boiler and Pressure Vessel Code lives in one place — Section XIII. The UV stamp on a relief valve is the visible end of a certification chain that runs through witnessed capacity tests and production sampling. https://industrialvalveselect.com/news/pilot-operated-safety-valve-asme-uv-nb-certification-china https://industrialvalveselect.com/news/pilot-operated-safety-valve-asme-uv-nb-certification-china Thu, 29 Oct 2026 08:00:00 GMT A Chinese maker's pilot-operated safety valve samples have passed capacity and performance testing witnessed by ASME and NBBI, earning UV and NB certification — the US market-access layer for pressure relief valves. https://industrialvalveselect.com/news/iso-np-26798-industrial-valve-terminology-china-led https://industrialvalveselect.com/news/iso-np-26798-industrial-valve-terminology-china-led Mon, 26 Oct 2026 08:00:00 GMT ISO/NP 26798, a terminology standard for industrial valve types and their components led by a Hefei research institute, has passed the new-project ballot of ISO's valve technical committee — four years after the work began. https://industrialvalveselect.com/tech/valves-caustic-soda-service-caustic-scc-materials https://industrialvalveselect.com/tech/valves-caustic-soda-service-caustic-scc-materials Mon, 26 Oct 2026 08:00:00 GMT Caustic soda punishes valve materials on two axes at once — stress-corrosion cracking above roughly 60 °C, and solidification below about 12 °C. The material map that solves it has been public for decades; the failures keep happening anyway. https://industrialvalveselect.com/tech/iogp-s-562-v40-ball-valves-api-6d https://industrialvalveselect.com/tech/iogp-s-562-v40-ball-valves-api-6d Thu, 22 Oct 2026 08:00:00 GMT The oil and gas producers' supplementary specification for API 6D ball valves moved to version 4.0 in April 2026 — while the base standard it annotates is simultaneously being written into US federal pipeline law. https://industrialvalveselect.com/news/polyolefin-elastomer-plant-valve-package-shaanxi-china https://industrialvalveselect.com/news/polyolefin-elastomer-plant-valve-package-shaanxi-china Thu, 22 Oct 2026 08:00:00 GMT A Wenzhou valve maker is the first-ranked candidate for a five-family valve package — butterfly, globe, ball, gate and check — for a polyolefin-elastomer industrial demonstration plant in Shaanxi, at a bid of RMB 9.89 million. https://industrialvalveselect.com/news/nuclear-helium-isolation-valves-htgr-batch-delivery-china https://industrialvalveselect.com/news/nuclear-helium-isolation-valves-htgr-batch-delivery-china Mon, 19 Oct 2026 08:00:00 GMT Nuclear-grade helium isolation valves developed by SUFA with Tsinghua University have entered batch delivery for two high-temperature gas-cooled reactor projects, after an appraisal found the design free of foreign dependence. https://industrialvalveselect.com/tech/valve-material-selection-body-trim-nace-temperature https://industrialvalveselect.com/tech/valve-material-selection-body-trim-nace-temperature Mon, 19 Oct 2026 08:00:00 GMT A valve is two material decisions, not one: the body holds the pressure boundary, the trim lives in the medium. Getting the ladder right — WCB to CF8M to duplex to nickel alloys — is mostly about knowing which question you are answering. https://industrialvalveselect.com/tech/mss-sp-134-2025-cryogenic-valves-revision https://industrialvalveselect.com/tech/mss-sp-134-2025-cryogenic-valves-revision Thu, 15 Oct 2026 08:00:00 GMT MSS has published the first revision since 2012 of SP-134 — the ANSI-approved standard practice for cryogenic valves, including the body and bonnet extensions that keep a valve's packing out of the cold zone. https://industrialvalveselect.com/news/tantalum-tungsten-alloy-control-valve-hpal-export-china https://industrialvalveselect.com/news/tantalum-tungsten-alloy-control-valve-hpal-export-china Thu, 15 Oct 2026 08:00:00 GMT A Chinese maker has completed and shipped what it describes as the country's first tantalum-tungsten alloy control valve, an NPS4 Class 600 unit bound for an overseas high-pressure acid leach project. https://industrialvalveselect.com/tech/asme-b16-34-2025-pressure-temperature-ratings https://industrialvalveselect.com/tech/asme-b16-34-2025-pressure-temperature-ratings Mon, 12 Oct 2026 08:00:00 GMT ASME issued B16.34-2025 on 30 May 2025 — the first revision in five years of the standard that defines what Class 150 through Class 4500 actually mean for a flanged, threaded or welding-end valve. https://industrialvalveselect.com/news/cryogenic-control-valve-class2500-cnooc-order-china https://industrialvalveselect.com/news/cryogenic-control-valve-class2500-cnooc-order-china Mon, 12 Oct 2026 08:00:00 GMT A Wuxi valve maker has won an electric control-valve package for a CNOOC affiliate — valves specified at −130 °C and Class 2500 in NPS 8 — after simulation work and several rounds of the owner's technical review. https://industrialvalveselect.com/news/adnoc-supplier-list-valve-maker-six-categories-china https://industrialvalveselect.com/news/adnoc-supplier-list-valve-maker-six-categories-china Thu, 08 Oct 2026 08:00:00 GMT Zhejiang Petrochemical Valve has been admitted to ADNOC's global register of qualified suppliers, with gate, ball, globe, check, butterfly and control valves all entering the qualified product catalogue. https://industrialvalveselect.com/tech/eu-methane-regulation-valve-ldar-surveys https://industrialvalveselect.com/tech/eu-methane-regulation-valve-ldar-surveys Thu, 08 Oct 2026 08:00:00 GMT The EU's methane regulation has moved from design to enforcement: leak surveys at two sensitivity levels — 17 grams and 1 gram of methane per hour — now carry legal repair clocks of five and thirty days, and valves sit at the top of the component count. https://industrialvalveselect.com/tech/api-6d-25th-edition-phmsa-incorporation-2026 https://industrialvalveselect.com/tech/api-6d-25th-edition-phmsa-incorporation-2026 Mon, 05 Oct 2026 08:00:00 GMT On 1 January 2026, US pipeline safety regulations began pointing at the 25th edition of API Specification 6D — moving the 2021 valve specification, together with its hydrogen-service addendum, into the federal rulebook for gas and hazardous-liquid pipelines. https://industrialvalveselect.com/news/xiapu-nuclear-gate-valves-order-china https://industrialvalveselect.com/news/xiapu-nuclear-gate-valves-order-china Mon, 05 Oct 2026 08:00:00 GMT Neway Valve has won the electric and pneumatic gate-valve package for phase I of the Xiapu nuclear power project — RMB 84.59 million, and the maker's third award at the site since July. https://industrialvalveselect.com/news/hpr1000-main-steam-relief-isolation-valve-china https://industrialvalveselect.com/news/hpr1000-main-steam-relief-isolation-valve-china Mon, 28 Sep 2026 08:00:00 GMT A main steam relief isolation valve developed jointly by a Chinese utility's engineering arm and a Dalian valve maker has shipped to an HPR1000 unit, with design figures of 8.9 MPa and 316 °C. https://industrialvalveselect.com/tech/iso-5208-rate-a-valve-seat-leakage https://industrialvalveselect.com/tech/iso-5208-rate-a-valve-seat-leakage Mon, 28 Sep 2026 08:00:00 GMT A seat-leakage rate is a formula, not a promise. Rate D permits 0.1 mm³/s per DN of liquid — and 30 mm³/s per DN of gas, three hundred times more, under the same letter. https://industrialvalveselect.com/tech/fire-safe-valve-testing-api-607-iso-10497 https://industrialvalveselect.com/tech/fire-safe-valve-testing-api-607-iso-10497 Mon, 28 Sep 2026 08:00:00 GMT A fire-safe certificate is a type test on a design, not a test on the valve in the crate — ISO 10497:2022 measures four things, and lets the qualification be extended to sizes and ratings that were never burned. https://industrialvalveselect.com/news/lng-carrier-domestic-cryogenic-valves-china https://industrialvalveselect.com/news/lng-carrier-domestic-cryogenic-valves-china Mon, 28 Sep 2026 08:00:00 GMT A 174,000 m³ LNG carrier delivered five months early is the first Chinese-built ship to carry a full range of domestically made cryogenic valves in its cargo containment system. https://industrialvalveselect.com/news/nps36-cryogenic-ball-valve-class900-minus196-china https://industrialvalveselect.com/news/nps36-cryogenic-ball-valve-class900-minus196-china Mon, 28 Sep 2026 08:00:00 GMT A Chinese valve maker's half-year report records a top-entry cryogenic ball valve at NPS36 and Class 900, holding bidirectional sealing at −196 °C, alongside an NPS80 axial check valve. https://industrialvalveselect.com/tech/sour-service-valve-materials-iso-15156 https://industrialvalveselect.com/tech/sour-service-valve-materials-iso-15156 Mon, 28 Sep 2026 08:00:00 GMT "NACE compliant" is not a specification. The standard qualifies a material in a defined H₂S environment — and the environment is the part buyers leave out of the enquiry. https://industrialvalveselect.com/tech/ball-vs-gate-vs-globe-valves-comparison https://industrialvalveselect.com/tech/ball-vs-gate-vs-globe-valves-comparison Wed, 23 Sep 2026 08:00:00 GMT Three valve types, three rules applied without exception — the reason behind each rule is what tells you when a duty is the exception. https://industrialvalveselect.com/news/china-valve-exports-june-2026-volume-value-split-high-temperature https://industrialvalveselect.com/news/china-valve-exports-june-2026-volume-value-split-high-temperature Wed, 23 Sep 2026 08:00:00 GMT Chinese customs data for June 2026 records valve exports of 693 million units worth USD 1.954 bn, up 23.8% in volume and 15.9% in value year on year. https://industrialvalveselect.com/news/china-valve-testing-fugitive-emission-cryogenic-local-capacity https://industrialvalveselect.com/news/china-valve-testing-fugitive-emission-cryogenic-local-capacity Wed, 23 Sep 2026 08:00:00 GMT A testing laboratory in Lishui, Zhejiang reports CNAS accreditation and a scope covering 1,143 parameters, including fugitive-emission, sour and hydrogen service, and cryogenic testing. https://industrialvalveselect.com/tech/valve-selection-guide-function-class-material https://industrialvalveselect.com/tech/valve-selection-guide-function-class-material Wed, 23 Sep 2026 08:00:00 GMT Function eliminates more options than any other input, and getting that order wrong wastes every later step. https://industrialvalveselect.com/news/liquid-hydrogen-control-valve-90mpa-differential-china https://industrialvalveselect.com/news/liquid-hydrogen-control-valve-90mpa-differential-china Wed, 23 Sep 2026 08:00:00 GMT A liquid-hydrogen control valve built by a Chinese equipment maker is reported to have passed a 90 MPa differential-pressure test, inside a system that also ran a 90 MPa motor-driven liquid-hydrogen pump for four hours. https://industrialvalveselect.com/tech/soft-seated-vs-metal-seated-valves-temperature-line https://industrialvalveselect.com/tech/soft-seated-vs-metal-seated-valves-temperature-line Wed, 23 Sep 2026 08:00:00 GMT The body has one temperature limit and the seat has another; the valve is limited by whichever is lower, and the seat is the one that usually fails first. https://industrialvalveselect.com/tech/bs-6364-withdrawn-cryogenic-valve-specification https://industrialvalveselect.com/tech/bs-6364-withdrawn-cryogenic-valve-specification Wed, 23 Sep 2026 08:00:00 GMT BS 6364 was withdrawn in 2015. A specification that still names it is asking for a document that has not been current for eleven years — and the requirements now sit in four other places. https://industrialvalveselect.com/news/hydrogen-service-butterfly-valves-nps42-class900-china https://industrialvalveselect.com/news/hydrogen-service-butterfly-valves-nps42-class900-china Wed, 23 Sep 2026 08:00:00 GMT A Chinese valve maker reports delivering a batch of NPS42 Class 900 butterfly valves in hydrogen service to the methanol-synthesis unit of a coal-chemical project. https://industrialvalveselect.com/news/dn2000-axial-check-valve-ethylene-china https://industrialvalveselect.com/news/dn2000-axial-check-valve-ethylene-china Wed, 23 Sep 2026 08:00:00 GMT A DN2000 axial-flow check valve is reported as the largest of its type in a Chinese ethylene plant, after engineering verification at the Tianjin Nangang complex. https://industrialvalveselect.com/tech/gbt-24925-chinese-cryogenic-valve-testing https://industrialvalveselect.com/tech/gbt-24925-chinese-cryogenic-valve-testing Wed, 23 Sep 2026 08:00:00 GMT The Chinese cryogenic valve standard is in force, numeric and free to read in full. A Chinese supplier's test report is built on it — and its scope starts at −29 °C, warmer than most buyers expect. https://industrialvalveselect.com/tech/iso-15848-explained-certificate-codes https://industrialvalveselect.com/tech/iso-15848-explained-certificate-codes Wed, 23 Sep 2026 08:00:00 GMT The code on a low-emission certificate carries four separate claims. Read it as one quality grade and you will specify the wrong valve. https://industrialvalveselect.com/news/pn3600-ultra-high-pressure-valve-class2500-class4500-china https://industrialvalveselect.com/news/pn3600-ultra-high-pressure-valve-class2500-class4500-china Wed, 23 Sep 2026 08:00:00 GMT A Shanghai valve maker reports that an ultra-high-pressure valve of a pressure class given as PN3600 passed testing, alongside a Class 2500 floating ball valve and a Class 4500 Y-pattern globe valve.