API 602 Forged steel gate valve

Technical Parameters

Item model number: Z41H

Nominal diameter: NPS1/2"~2"

Nominal pressure: Class150~600Lb

Applicable medium: water, nitrogen-hydrogen mixed gas, urea and methylamine liquid, etc.

Connection form: flange connection, socket welding connection and internal thread connection

Product Details

Product Structure Features

Body and bonnet are manufactured by forged steel materials, such as ASTM A105, A182 F11, F5, F304, F304L, F316, F316L, etc. Valves are mainly used in firepower plants for controlling air,

water, steam and other corrosive flows.

The main structure features include:

1.Small flow resistance for fluid, only a small force is required when opening/closing;

2.With solid wedge and expanding seat design, easy to repair and replace;

3.When valve is full opened, the sealing surface suffered small friction from the working medium；

4.Pressure seal bonnet, welded bonnet, threaded bonnet and bolted bonnet can be chosen;

5.Spring loaded packing can be chosen;

6.Low emission packing can be chosen according to ISO 15848 requirement.

Main connection size

ANSI 150Lb
NPS	1/4	3/8	1/2	3/4	1	11/4	11/2	2
L	-	-	108	117	127	140	165	178
L1	79	79	79	92	111	120	120	140
H	169	169	169	193	230	246	283	330
D0	100	100	100	100	125	160	160	180
Wt	-	-	5	6.1	8.4	14.3	15.4	22.7
Wt1	2.2	2.4	2.4	2.4	4.8	6.1	7.2	11.2
ANSI 300Lb
NPS	1/4	3/8	1/2	3/4	1	11/4	11/2	2
L	-	-	140	152	165	178	190	216
L1	79	79	79	92	111	120	120	140
H	169	169	169	193	230	246	283	330
D0	100	100	100	100	125	160	160	180
Wt	-	-	5.2	6.3	8.6	14.5	15.6	22.8
Wt1	2.2	2.4	2.4	2.4	4.8	6.1	7.2	11.2
ANSI 600Lb
NPS	1/4	3/8	1/2	3/4	1	11/4	11/2	2
L	-	-	165	190	216	229	241	292
L1	79	79	79	92	111	120	120	140
H	169	169	169	193	230	246	283	330
D0	100	100	100	100	125	160	160	180
Wt	-	-	5.9	7.5	10.2	16.7	17.4	28.7
Wt1	2.2	2.4	2.4	2.4	4.8	6.1	7.2	11.2
ANSI 800Lb
NPS	1/4	3/8	1/2	3/4	1	11/4	11/2	2
L1	79	79	79	92	111	120	120	140
H	169	169	169	193	230	246	283	330
D0	100	100	100	100	125	160	160	180
Wt1	2.2	2.4	2.4	2.4	4.8	6.1	7.2	11.2

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