Product Features of Back Pressure Valve: 8, Used as anti siphon valve to prevent gravity under static conditions. Product Features of Back Pressure Valve: 8, Used as anti siphon valve to prevent gravity under static conditions. High-Purity Refrigerant,Environment-Friendly Gas,Refrigerant Gas R134A,High-Purity Refrigerant R407C Industrial Chiller Co., Ltd. , http://www.nbrefrigerantgas.com
1, Compact structure and stable performance
2, Easy installation and debugging
3, Sensitive reaction and good reproducibility
4, Selective large size range DN10mm DN100mm
5, Small pressure difference by specially designed flow structure to avoid forming a closure
6, Easy to set the working pressure by regulating device
7, Installed in the bypassas overflow valve use
   
MODEL
STAND
L
HÂ
D
d
Z
h
18615
DN15
165
181
82
20
22
27
18620
DN20
174
181
82
25
19
29
18625
DN25
202
198
107
32
21
33
18632
DN32
251
198
107
40
31
35
18640
DN40
285
260
155
50
31
60
18650
DN50
355
260
155
63
39
60
18665
DN65
376
260
155
75
41
65
Â
1, Compact structure and stable performance
2, Easy installation and debugging
3, Sensitive reaction and good reproducibility
4, Selective large size range DN10mm DN100mm
5, Small pressure difference by specially designed flow structure to avoid forming a closure
6, Easy to set the working pressure by regulating device
7, Installed in the bypassas overflow valve use  Â
MODEL
STAND
L
HÂ
D
d
Z
h
18615
DN15
165
181
82
20
22
27
18620
DN20
174
181
82
25
19
29
18625
DN25
202
198
107
32
21
33
18632
DN32
251
198
107
40
31
35
18640
DN40
285
260
155
50
31
60
18650
DN50
355
260
155
63
39
60
18665
DN65
376
260
155
75
41
65
Â
Back Pressure Control Valve
Model NO.: RSV300
Type: Flexible Ball Valve
Function: Shutoff Valve
Temperature: Normal Temperature
Application: Industrial Usage, Water Industrial Usage, Water Treatment Usage
Color: Dark Grey
Flange Standard: DIN Pn10; JIS10K; ANSI Cl150
Seal Material: EPDM, Viton
Seat Material: PTFE
Trademark: RMIPLAST
Transport Package: Carton
Specification: 1/2"~12"
Origin: China Mainland
HS Code: 8481804090
Model NO.: RSV300
Type: Flexible Ball Valve
Function: Shutoff Valve
Temperature: Normal Temperature
Application: Industrial Usage, Water Industrial Usage, Water Treatment Usage
Color: Dark Grey
Flange Standard: DIN Pn10; JIS10K; ANSI Cl150
Seal Material: EPDM, Viton
Seat Material: PTFE
Trademark: RMIPLAST
Transport Package: Carton
Specification: 1/2"~12"
Origin: China Mainland
HS Code: 8481804090