Can the Globe valve with GW BSP, type 2028 be used for throttling at low flow rates across the full -20Â°C to +200Â°C temperature range?

Yes. Globe valve with GW BSP, type 2028 can be used for throttling at low flow rates across the full -20Â°C to +200Â°C range. The product description explicitly states it "allows for regulation or throttling at low flow rates" and lists an operating temperature range of -20Â°C to +200Â°C. Materials and features supporting this use include stainless steel CF8M body and disc (good temperature and corrosion resistance), PTFE stem sealing (suitable up to ~200Â°C), rising stem design (precise flow control), and maximum constant working pressure specified for the full temperature range. Notes/considerations: ensure the specific system pressure and fluid compatibility are within the valveâs rated limits, and verify PTFE sealing is acceptable for your media and transient temperature/pressure conditions. If abrasive media, cavitation, or severe flashing are present, consult the manufacturer for suitability or alternative trim options.

Does the Globe valve with GW BSP, type 2028 require special maintenance for PTFE stem sealing when used near +200Â°C?

Globe valve with GW BSP, type 2028 uses PTFE stem sealing and is rated for operation up to +200Â°C. PTFE near its upper temperature limit can experience accelerated creep, cold flow or slight loss of sealing resilience over time. Therefore some special maintenance is recommended: periodically inspect the stem packing for signs of leakage, hardening or extrusion; check torque/actuation effort for increased friction; tighten or replace PTFE sealing elements if leakage appears; consider more frequent inspections when operating continuously near +200Â°C. If service temperatures regularly reach the limit, evaluate alternative highâtemperature packing materials or consult the manufacturer for approved seal options to ensure longâterm tightness.

Is the Globe valve with GW BSP, type 2028 suitable for corrosive media at temperatures up to +200Â°C?

Globe valve with GW BSP, type 2028 is likely suitable for many corrosive media at temperatures up to +200Â°C, with important caveats. Why it can be suitable: - Body and disc are stainless steel CF8M (roughly equivalent to AISI 316), which offers good corrosion resistance to a wide range of corrosive media, including many acids, salts and chemical solutions. - Stem sealing uses PTFE, which has excellent chemical resistance across a broad spectrum and remains stable up to the upper temperature limit (+200Â°C specified). - The valve is rated for operation from -20Â°C to +200Â°C and for maximum constant working pressure across that full temperature range, indicating it was designed to function at +200Â°C. Key caveats and checks required before selection: - CF8M/316 stainless steel is not universally resistant: it may be attacked by strong chlorides (risk of pitting/crevice corrosion or stress corrosion cracking), hot concentrated sulfuric or hydrochloric acids, and some oxidizing agents at elevated temperatures. Confirm compatibility of the specific corrosive medium, its concentration, temperature and presence of chlorides. - PTFE seals have excellent chemical resistance but can creep/relax under high temperatures and high pressures; verify seal suitability for your process conditions and any dynamic wear from throttling. - Handle is aluminum (external); ensure external corrosion or contamination of the handle is acceptable for your environment. - âSuitable for regulation or throttling at low flow ratesâ suggests limited use for control dutyâif frequent throttling or erosive flows are expected, evaluate erosion and wear. - For safety-critical or aggressive applications, consult manufacturer chemical compatibility charts, request material certificates, and consider more resistant alloys (e.g., duplex, Hastelloy) or special linings if needed. Conclusion: Globe valve with GW BSP, type 2028 can be suitable for corrosive media up to +200Â°C in many cases due to CF8M and PTFE materials, but you must verify compatibility for the specific medium, concentration and operating conditions and consider alternative materials if chlorides, strong acids at high temperature, or severe erosion are present.

Globe valve with GW BSP, type 2028

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Additional information

Material	SS – stainless steel
Standard length [m]	40

Universal mushroom valve type 2028 with metal-metal sealing and rising stem, intended for industrial installations. Allows for regulation or throttling at low flow rates. Maximum constant working pressure across the full temperature range. Body material: stainless steel CF8M. Disc material: stainless steel CF8M. Handle material: aluminum. Stem sealing: PTFE. Connection: BSP female thread. Operating temperature: from -20°C to +200°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HT-2028-08	Mushroom valve with G 1/4", AISI 316	8	13.8	In stock	Enquiry
HT-2028-08X	Mushroom valve with 1/4" BSP thread, AISI 316	8	13.8	In stock	Enquiry
HT-2028-10	Mushroom valve with G 3/8", AISI 316	10	13.8	In stock	Enquiry
HT-2028-10X	Mushroom valve with 3/8" BSP thread, AISI 316	10	13.8	In stock	Enquiry
HT-2028-15	Mushroom valve with G 1/2", AISI 316	16	13.8	In stock	Enquiry
HT-2028-15X	Mushroom valve with 1/2" BSP thread, AISI 316	16	13.8	In stock	Enquiry
HT-2028-20	Mushroom valve with G 3/4", AISI 316	20	13.8	In stock	Enquiry
HT-2028-20X	Mushroom valve with 3/4" BSP thread, AISI 316	20	13.8	In stock	Enquiry
HT-2028-25	Mushroom valve with G1" thread, AISI 316	25	13.8	In stock	Enquiry
HT-2028-25X	Mushroom valve with 1" BSP thread, AISI 316	25	13.8	In stock	Enquiry
HT-2028-32	Mushroom valve with G 1.1/4", AISI 316	32	13.8	In stock	Enquiry
HT-2028-32X	Mushroom valve with 1.1/4" BSP thread, AISI 316	32	13.8	In stock	Enquiry
HT-2028-40	Mushroom valve with G 1.1/2", AISI 316	40	13.8	In stock	Enquiry
HT-2028-40X	Mushroom valve with 1.1/2" BSP thread, AISI 316	40	13.8	In stock	Enquiry
HT-2028-50	Mushroom valve with G 2", AISI 316	50	13.8	In stock	Enquiry
HT-2028-50X	Mushroom valve with 2" BSP thread, AISI 316	50	13.8	In stock	Enquiry

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Universal mushroom valve type 2028 with metal-metal sealing and rising stem, intended for industrial installations. Allows for regulation or throttling at low flow rates. Maximum constant working pressure across the full temperature range. Body material: stainless steel CF8M. Disc material: stainless steel CF8M. Handle material: aluminum. Stem sealing: PTFE. Connection: BSP female thread. Operating temperature: from -20°C to +200°C.