WZ41H bellows gate valve

Product introduction

Bellows gate valve - Structure features: bellows gate valve - the valve stem adopts bellows and packing double sealing structure to ensure no leakage seal at the valve stem, especially suitable for flammable, explosive, toxic and valuable media pipelines. Corrugated pipe is made of stainless steel or Inconel material, corrugated pipe seal structure design is reasonable, fatigue resistance, long service life.

Performance specification

Nominal pressure (MPa)	Shell test pressure (MPa)	Seal test pressure (MPa)	Applicable temperature (° C)	Use medium
1.6	2.4	1.76	350 ºC or less	Water, steam, oil products, etc
2.5	3.75	2.75
4.0	6.0	4.4
6.4	9.6	7.04

Overall Dimensions

Model number	WZ41-16
Stress rating	PN16
Caliber	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350
L	108	117	127	140	165	178	190	203	229	254	267	292	330	356	381
H	200	210	250	260	290	370	398	440	490	530	580	670	760	850	950
W	120	140	140	180	200	220	260	280	300	340	400	450	450	500	500
Weight (kg)	8	9	10	15	22	30	43	57	73	105	150	190	270	380	480

Technical Specifications

Structural form	BB-BG-OS & Y
Drive mode	Manual
Drive mode	power-driven
Design criteria	GB12234
Structural length	GB12221
Connecting flange	GB9113, JB79, HG20596
Testing and inspection	JB/T 9092, GB/T13927

Inquire Now Next Product