Part Name

material

Body / bonnet

LCB, LC1, LC2

Valve stem

F431, F304, F304L

Valve seat

STL

ANSI Low Temperature steel Gate Valve Performance Specification

model

Nominal pressure

Test pressure (mpa)

Applicable medium

Strength (water)

Sealed (water)

DZ41Y-150 LB

150 LB

2.40 

1.76 

Propylene, propane, methanol, ethane, gas, liquid ammonia

DZ41Y-300 LB

300 LB

3.75 

2.75 

DZ41Y-600 LB

600 LB

6.00 

4.40 

model

Nominal diameter
(mm)

Size (mm)

L

D

D1

D2

b

Zφd

DZ41Y-150LB

2"

178

152

120.5

92

16

4 * φ19

2 1/2 "

190

178

139.7

105

18

4 * φ19

3 "

203

190

152.5

127

19

4 * φ19

4 "

229

229

190.5

157

23.9

8 * φ19

5 "

254

254

215.9

186

25.4

8 * φ22

6 "

267

279

241.5

216

28.5

8 * φ22

8"

292

343

298.5

270

30.2

8 * φ22

10 "

330

406

362

324

31.2

12 * φ25