Tanhov Industrial Co., Ltd.

Tanhov Industrial Co., Ltd.

NS-21 Cap Type Stainless Steel Safety Relief Valve

Tel:+0086-577-21828858 Fax:+0086-577-21828855
+Add:Sanqiao Industrial Zone,Oubei,Wenzhou,Zhejiang,China
NS-21 Cap Type Stainless Steel Safety Relief Valve  Series:Safety Relief Valve
Safety Relief Valves, angle type
 
low lift safety relief valve, cap type
metal to metal seated/soft seal
connection end acc. to NPT/BSP thread
 
Applications:
Provided as safety device for protection against excessive pressure in pressure vessels.
Approved for gases, vapours and fluids.
 
Working temperatures: -196℃~290℃
Working pressure: 0.3-25 bar
 
Standards Compliance:
Design and Manufacture: GB/T 12241-2005, GB/T 12243-2005
Face to Face(end to end): JB/T 2203-1999
Test and Inspection: GB/T 12243-2005

 

 

Material for main parts

NO Name of part Material
1 Cap SS
2 Spindle SS
3 Adjust Screw SS
4 Nut SS
5 Gasket PTFE
6 Body SS
7 Spring 17-7PH
8 Spring Seat SS
9 Disc SS
10 Valve Seat SS

 

Essential:

Valves are delivered at a set pressure, therefore when ordering 
please confirm set pressure, medium and temperature

 

TS

Safety accessory and Safety protection device 
Manufacture License of Special Equipment, People's republic of China
 

Dimensions(mm)

Size Height Inlet Outlet Orifice E F
1/2" x 1/2" 137 15 15 13 52 29
1/2" x 3/4" 148 15 20 13 56 34
1/2" x 1" 180 15 25 13 72 40
3/4" x 3/4" 148 20 20 18 56 34
3/4" x 1" 183 20 25 18 72 40
3/4" x 1-1/4" 208 20 32 18 86 50
3/4" x 1-1/2" 230 20 40 18 93 57
1" x 1" 183 25 25 22 72 40
1" x 1-1/4" 200 25 32 22 86 50
1" x 1-1/4" 220 25 40 22 92 56
1" x 2" 260 25 50 22 100 65
1-1/4" x 1-1/4" 208 32 32 28 86 50
1-1/4" x 1-1/2" 230 32 40 28 93 57
1-1/4" x 2" 262 32 50 28 102 66
1-1/2" x 1-1/2" 230 40 40 38 93 57
1-1/2" x 2" 262 40 50 38 102 66
2" x 2" 262 50 50 38 102 66

 

Remark: NPT, BSP thread are accepted

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Contact Us

Tel:  86-577-21828858

Mobile:  86-13454845566

Fax:  86-577-21828855

Contact Person:  Jacob Zhou

E-mail:  sales@tanhov.com

QQ:  QQOnline Service

Skype:  Contact me with skype

MSN:  zh.jacob@hotmail.com

Web:  http://www.tanhov.com/