High Performance Steam Safety Valve

Name: High Performance Steam Safety Valve
Brand: VTXFLOW

For power boiler main steam and reheater duty.

Safety Valve Series

High Performance Steam Safety Valve

Engineered for power boiler drums, superheaters and reheaters, these valves combine high lift, stable blowdown and thermal-shock resistant trim for saturated and superheated steam to 600°C.

As part of the VTXFLOW safety valve range, every high performance steam safety valve is produced under our certified quality system — from in-house casting and CNC precision machining to 100% pressure and seat-tightness testing before shipment, with EN 10204 3.1 material certificates supplied.

Power boiler main steam / reheater duty
Thermal-shock resistant trim materials
High capacity certified per ASME Sec I
Open bonnet with lifting lever standard

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High Performance Steam Safety Valve — VTXFLOW Safety Valve Series

Technical Specifications

Size Range	3/4" – 12" inlet (DN20 – DN300)
Set Pressure	0.1 – 42 MPa
Body Materials	WCB, WC6, CF8, CF8M, A105
Design Standards	ASME BPVC Sec. I & VIII, API 526, API 527, GB/T 12243
Temperature Range	-196°C to +600°C

Typical Applications

Steam boilersPressure vesselsRefinery relief systemsGas storageHeat exchangers

How to Order — What to Specify

Inlet size and orifice designation (API 526)
Set pressure and allowable overpressure
Back pressure: constant or variable (bellows if needed)
Medium, temperature and required capacity
Body / trim materials
Bonnet type and lifting lever requirement
Code: ASME Sec I or Sec VIII
Options: jacket, gag, test certificate witness

Every high performance steam safety valve is shell and seat tested to API 598 / ISO 5208 before shipment and delivered with EN 10204 3.1 material certificates. PMI, NDE and third-party inspection (SGS / BV) are available on request.

Other Safety Valve Products

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Interested in the high performance steam safety valve? Tell us your size, pressure class, material, standard and quantity — our engineers respond within 24 hours.