Delivery Time:7-15 working days after received your payment
Certification:CE,TRCU,ISO9001

Pneumatic Piston High Pressure Butterfly Valves , Carbon Steel On Off Butterfly Valve

Pneumatic piston high performance carbon steel on-off butterfly valve

 
Material: CF8/CF8M/CF3M
 
Pressure:150lb~2500lb
 
Connection: BW/FLG
 
Temp.: -196~+100℃
 
Size: DN15~DN600
 
Application: LNG,liquid N2 etc.
  
 
 

General

   ZSHWB series high performance butterfly valve brings low cost and light weight to high pressure water, oil, steam, gas and slurry applications, and these valves satisfy a wide range of industrial applications, such as in chemical, power, light textile, food, pharmaceutics, pulp and paper and other severe application.

Feature:

High quality one piece casting which provides consistent uniformity; High performance shutoff and modulating service for standard industrial process lines; Principle of seat sealing :soft seat or metal seat which meet the different application; Both wafer and lugged body styles available

Table  1 Main Performance Parameter                                                  

No.	Item	Pneumatic Type	Electric Type
1	Basic error＜(%)	±2.5	±2.5
2	Backlash＜(%)	2.5	2.0
3	Deadzone＜(%)	2.0	3.0
4	Beginning and ending deviation＜(%)	Beginning	±2.0	±1.5
Ending
5	Rated angle deviation＜(%)	+2.5	+0.5
6	Rated flow parameter deviation＜(%)	+10

Table 2  Rated Flow Parameter

DN(mm)	50	65	80	100	125	150	200	250	300	350
Rated Kv	100	150	200	405	620	1150	2030	3150	4550	6200
Piston type	Single action	83	83	100	100	125	143	160	190	210	240
Torque(Nm)	20	20	50	50	100	200	300	400	600	1000
Double action	63	63	83	83	100	125	143	160	190	210
Torque(Nm)	20	20	50	50	100	200	300	400	600	1000

DN(mm)

400

450

500