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  API CLASS 1500 |  FORGED STEEL OS&Y
 1588 & 1578- GATE VALVE
 FULL PORT
 1/4" - 1-1/2" THREADED OR SOCKET WELD

Valves comply with API 602
 
PART STANDARD MATERIALS
1 Handwheel Malleable Iron, Painted
2 Handwheel Nut Steel
3 Lockwasher Steel
4 Nameplate Aluminum
5 Thrustwasher 410 Stainless
6 Yoke Nut 416 Stainless/Lubricated
7 Gland Nut 304 Stainless
8 Gland Glange Forged Steel A105
9 Gland 316 Stainless
10 Eyebolt 410 Stainless
11 Screw Steel, Plated
12 Packing Graph. & braided Graph. end rings
13 Hex Head Bolt Steel, A193 B7
14 Stem 410 Stainless
15 Bonnet Forged Steel A105 NLC
16 Gasket 304-S.S, Flex. Graph. Comp.
17 Body Forged Steel A105 NLC
18 Seat Ring 410 Stainless - Stellite Faced
19 Wedge 420 Stainless
VALVE
SIZE
(1588)		 Daim.
of Port
Opening		 End
to
End		 Diam.
of Pipe
End		 Hand
Wheel
Diam.		 Center
to Top
(open)		 Center
to Top
(closed)		 Socket
Weld
Bore		 Socket
Weld
Depth		 Stuffing
Box
Depth		 Diam.
of
Bolts		 Approx
weight
 
NPS Inches Inches Inches Inches Inches Inches Inches Inches Inches Inches Pounds
(DN) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (kg)
1/4 5/16 3-1/2 1-1/2 4 6-7/16 6 0.555 3/8 7/8 3/8 5-1/4
8 8 89 38 102 164 152 14 10 22 10 2.38
3/8 25/64 3-1/2 1-1/2 4 6-1/2 5-15/16 0.690 3/8 7/8 3/8 5-1/4
10 10 89 38 102 165 151 18 10 22 10 2.38
1/2 1/2 3-7/8 1-13/16 4 7-1/4 6-1/2 0.855 3/8 1 7/16 7-1/2
15 13 98 46 102 184 165 22 10 25 11 3.40
3/4 3/4 4-3/4 2-1/2 5-1/2 8-7/8 7-15/16 1.065 1/2 1-3/16 1/2 14-3/4
20 19 121 64 140 225 202 27 13 30 13 6.69
1 5/16 4-3/4 2-1/2 5-1/2 9-1/16 7-15/16 1.330 1/2 1-3/16 1/2 23-1/2
25 24 121 64 140 230 202 34 13 30 13 10.66
1-1/4 1-3/16 5-1/2 3-1/16 6-5/8 11 9-5/8 1.675 1/2 1-1/2 5/8 23
32 30 140 78 168 279 244 43 13 38 16 10.43
1-1/2 1-1/2 6-1/4 3-5/8 6-5/8 11-9/16 9-7/8 1.915 1/2 1-1/2 3/4 30-1/2
40 38 159 92 168 294 251 49 13 38 19 13.83
VALVE
SIZE
(1578)		 Daim.
of Port
Opening		 End
to
End		 Diam.
of Pipe
End		 Hand
Wheel
Diam.		 Center
to Top
(open)		 Center
to Top
(closed)		 Socket
Weld
Bore		 Socket
Weld
Depth		 Stuffing
Box
Depth		 Diam.
of
Bolts		 Approx
weight
NPS Inches Inches Inches Inches Inches Inches Inches Inches Inches Inches Pounds
(DN) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (kg)
1/4 5/16 3-1/2 1-1/2 4 6-5/16 5-7/8 0.555 3/8 7/8 n/a 4-3/4
8 8 89 38 102 160 149 14 10 22 n/a 2.15
3/8 25/64 3-1/2 1-1/2 4 6-3/8 5-13/16 0.690 3/8 7/8 n/a 4-3/4
10 10 89 38 102 162 148 18 10 22 n/a 2.15
1/2 1/2 3-7/8 1-13/16 4 7 6-5/16 0.855 3/8 1 n/a 6-1/4
15 13 98 46 102 178 160 22 10 25 n/a 2.83
3/4 3/4 4-3/4 2-1/2 5-1/2 8-11/16 7-3/4 1.065 1/2 1-3/16 n/a 11-1/2
20 19 121 64 140 221 197 27 13 30 n/a 5.22
1 15/16 4-3/4 2-1/2 5-1/2 8-7/8 7-3/4 1.330 1/2 1-3/16 n/a 19
25 24 121 64 140 225 197 34 13 30 n/a 8.62
1-1/4 1-3/16 5-1/2 3-1/16 6-5/8 10-11/16 9-3/8 1.675 1/2 1-1/2 n/a 17-3/4
32 30 140 78 168 271 238 43 13 38 n/a 8.05
1-1/2 1-1/2 6-1/4 3-5/8 6-5/8 11-1/16 9-3/8 1.915 1/2 1-1/2 n/a 25
40 38 159 92 168 281 238 49 13 38 n/a 11.34
 

THE NEWDELL COMPANY
6300 West by Northwest Blvd., Suite 700 | Houston, Texas 77040-4941
713.590.1312 | 713.590.1319 fax | 1.877.510.7853 toll free

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