HFGS Series high temperature safety valve for steam-USA Series-henghua valve-zhejiang henghua valve co.,ltd.

HFGS Series high temperature safety valve for steam

Related size

Application

HFGS is serviced for overpressure protection of power boiler, decomposition boiler,once-throuɡn boiler,reheater and other pressure vessel and pipe.

Performance

HFSH meets the requirements of HFGS Boiler and pressure Vessel Code, Section I,power Boilers.

Features

Adjusting back Seat pressure with back pressure Jacket，to arrive minimum Blowdown.

High performance and temperature material are used for valve ,to ensure its tightness in high temperature).

Tightness body is faced with stellite,to prevent from eroding of high temperature gas.

Tested under hot position and make the safety valve approach to service condition.

Dimension & Specificationn

Inlet*Outlet	300Lb Construction dim		600Lb Construction dim		900Lb Construction dim		1500Lb Construction dim		2500Lb Construction dim
Inlet*Outlet	L	L₁	L	L₁	L	L₁	L	L₁	L	L₁
1*11/2							146	170
11/2F2	152	124
11/2F21/2			140	130
11/2G21/2	152	124
11/2F3					155	140	155	150	155	190
11/2G3			155	130	155	140	155	150	200	220
11/2H3	152	130	155	140	155	140	155	150
11/2H4									200	220
2J3	152	137
2J4			180	150	180	150	180	160	220	220
2J6									220	220
21/2K4	152	165	180	185	180	185
21/2K6			180	185	180	185	240	195	240	270
3L6	165	178	220	195	220	195	250	210
3M6			220	195	220	195	260	230	260	280
4N6			220	215	250	230	265	240
4P6	254	225	265	235	265	250	265	260
4P8			265	235	265	250	265	260
6Q8	241	240	280	285

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