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

Pneumatic Piston Carbon Steel High Temperature Butterfly Valves CE TRCU ISO9001

CE Pneumatic piston low load carbon steel on-off butterfly valve

Material:Carbon steel

 
Pressure:PN0.25~PN1.0MPa

 
Connection:Wafer,flange

 
Temp-20~+450℃

 
Size:DN50~DN2400

 
Application:Gas

General

ZSHW/ ZDRW Series of Low Load Butterfly Valve,the body and disc are welded by the steel plate. Its features are simple structure, compact and light, easy operation. Equipped with rack and pinion type pneumatic actuator or electronic type electric actuator, and it is applicable to low pressure or high temperature gas.  

Specification and Technical Parameter

Table 2   Rated Flow Coefficient

DN(mm)	100	150	200	250	300	350	400	450	500	600
Rated Kv	405	1150	2030	3150	4550	6200	8100	10260	13500	19800

DN(mm)	700	800	900	1000	1100	1200	1300	1400	1500	1600
Rated Kv	27000	35700	44600	55080	66650	81000	95060	110250	125000	144000

Table 3  Technical Parameter

DN(mm):DN100～1600(4”～64”)

PN(MPa):0.25,0.6

Inherent flow characteristic:EQ%

Pneumatic actuator type:Single acting,Double acting

Supply air pressure(MPa):0.4

Electronic actuator:According to the required torque

Voltage:220V.AC  50Hz    380V.AC  50Hz(Three-phase)

Connection:PN≤0.6MPa HG/T20592-2009 RF

Working temperature (℃):Carbon steel:-20～425℃,Stainless steel:-40～595℃

Note:The thickness of flange according to HG/T20592-2009 PN0.25MPa.

Table 4 Main Performance Parameter

Item	Description	Open type	Back-seat type	10°sealing type
1	Basic error	≤±2%
2	Hysteresis	≤±2%
3	Dead zone	≤±1.5%
4	Allowable leakage	≤±2%×Rated capacity	≤±0.5%×Rated capacity	≤±0.3%×Rated capacity