久久精品人人做人人人玩|授课方式肉馅小水饺|MD传媒免费网站入口IOS区|久久老子午夜精品怎么打|欧美又黄又粗A片|精品久久久久|教授边辅导功课边c

產(chǎn)品中心

首頁/ 產(chǎn)品中心

產(chǎn)品中心products list

產(chǎn)品中心

DOUBLE DISC CHECK VALVE

Check valve shall be of the double disc, wafer style with torsion spring induced closure. Valve shall be Wafer style for bolting between ANSI Class 125 flanges. Valves have a Cast Iron body (ASTM A-126, CL. B) to fit inside 125# ANSI bolt circles, a two piece Bronze disc (ASTM B-62, 85-5-5-5), type 316 Stainless Steel dual shafts, type 316 Stainless Steel torsion spring and have an integrally molded elastomer seat vulcanized to the body. Valve for horizontal flow shall be installed with the shafts in vertical position.
Main of Parameters:
DN:50-600mm
Mpa:ANSI Class 150-600

NO

DESCRIPTION

MATERIAL

QTY.

1

BODY

DUCTILE IRON

1

2

DISC

304 STN.STL

2

3

SHAFT

304 STN.STL

2

4

SPRING

316 STN.STL

2

5

PLUG

304 STN.STL

4

6

WASHER

304 STN.STL

AR

7

NAME PLATE

ALUMINUM

1

8

EYE BOLT

STEEL

2

9

HEX NUT

STEEL

2