General Introduction
VERVO Cast gate valves are offered by default with flexible gate,
renewable seat, rising stem and non-rising hand wheel. It plays the
role of pipe opening and closing ultimately through the rotation of
the hand wheel to drive the lifting of gate.
Bolted bonnet, pressure bonnet, bellow seal bonnet,high/low
temperature extended bonnet and ISO 15848 fugitive emission
designed valves are available upon different request of services.
Forged body can also be provided upon special request.
About Cast Steel Gate Valves
Unlike forging, casting uses the liquid form of metal to create
valves. These metals are melted into a molten liquid and poured
into various molds. One of the biggest benefits of casting is that
it can create valves with complex shapes, patterns, and sizes.
Using a mold to manufacture these devices gives you more freedom to
make different types valves with more intricate parts.
VERVO OS&Y gate valves are specifically design to industry standards
for straight thru, bi-directional flow which results in low flow
loss and low pressure drop. They are designed for applications
where excellent flow conditions and tight shut-off are necessary.
Our gate valves proudly service the oil/gas refining, pulp and
paper, power generation and chemical/petrochemical industries
worldwide.
We offer both Cast API 600 and Forged API 602 Gate valve designs in
a wide range of sizes, pressure classes and materials to fit even
the most unique and rugged applications on the planet!
Design of Disc
Cast steel gate valve are made with flexible wedge by default,
solid wedge will be provided only upon request.
Design of Seat
Renewable seat and non-renewable seat are optional,the default for
WCB body is seal welded seat, and body overlay seat against other valve body material.
Design of Body -Bonnet Connection
Bolted bonnet is normally applied on CL150~CL900, body seal is
defaulted by gasket and RTJ ring. Pressure seal bonnet is applied
on CL1500~CL2500 with pressure seal ring for body seal.
ASME CLASS 300 (PN 50) |
Size | D | L | H | W | Weight
RF/BW |
in/mm | RF | RTJ | BW | (lb/kg) |
2
50 | 2
51 | 8.5
216 | 9.13
232 | 8.5
216 | 17.05
433 | 7.87
200 | 51/37
23/17 |
2 ½
65 | 2.5
64 | 9.5
241 | 10.12
257 | 9.5
241 | 18.54
471 | 7.87
200 | 77/57
35/26 |
3
80 | 3
76 | 11.1
282 | 11.73
298 | 11.1
282 | 21.06
535 | 9.84
250 | 110/86
50/39 |
4
100 | 4
100 | 12
305 | 12.64
321 | 12
305 | 24.7
627 | 11
280 | 156/117
71/53 |
5
125 | 5
125 | 15
381 | 15.63
397 | 15
381 | 28.15
715 | 11.81
300 | 256/200
116/91 |
6
150 | 6
150 | 15.87
403 | 16.5
419 | 15.87
403 | 32.44
824 | 13.78
350 | 317/249
144/113 |
8
200 | 8
203 | 16.5
419 | 17.13
435 | 16.5
419 | 39.53
1004 | 15.75
400 | 460/361
209/164 |
10
250 | 10
250 | 18
457 | 18.62
473 | 18
457 | 49.61
1260 | 17.72
450 | 709/564
322/256 |
12
300 | 12
305 | 19.76
502 | 20.39
518 | 19.76
502 | 58.27
1480 | 19.7
500 | 1062/859
482/390 |
14
350 | 14
337 | 30
762 | 30.63
778 | 30
762 | 63.19
1605 | - | 1504/1244
683/565 |
16
400 | 15.24
387 | 33
838 | 33.62
854 | 33
838 | 71.06
1805 | - | 2093/1773
950/805 |
18
450 | 17
432 | 36
914 | 36.61
930 | 36
914 | 78.54
1995 | - | 2522/2126
1145/965 |
20
500 | 19
483 | 39
991 | 39.76
1010 | 39
991 | 94.69
2405 | - | 3601/3106
1635/1410 |
22
550 | 21.8
553 | 43
1092 | 43.86
1114 | 43
1092 | 100.4
2550 | - | 5176/4626
2350/2100 |
24
600 | 23
584 | 45
1143 | 45.87
1165 | 45
1143 | 104.33
2650 | - | 5859/5077
2660/2305 |
26
650 | 25
635 | 49
1245 | 50
1270 | 49
1245 | 116.14
2950 | - | 6806/5595
3090/2540 |
28
700 | 27
686 | 53
1346 | 54
1371 | 53
1346 | 122.05
3100 | - | 7291/6002
3310/2725 |
30
750 | 29
736 | 55
1397 | 56
1422 | 55
1397 | 126
3200 | - | 7919/6729
3595/3055 |
The dimension and weights are for reference only and subject to
change without notice. 1. For more dimensional information, please
contact our sales representative. 2. “W” on above schematic is the diameter for hand wheel, the one
without dimension on the table above is defaulted by gear
operation. |
About Us
VERVO is an ISO 9001 certified company specializing in
manufacturing industrial valves including ball valves, gate valves,
globe valves, check valves, plug valves and butterfly valves in
carbon steel, stainless steel, duplex stainless and alloy
materials. Our products conform to the latest industry standards in
accordance to ANSI, ASME and API.VERVO today has over 10000 square
meters of manufacturing facilities. Through its conviction to
provide only the finest quality products and services to match the
need of our customers, VERVO has now established itself as a
serious player in the valve business.
VERVO has sold worldwide in North America, Europe, South America,
South Asia, Africa and the Middle East. We consider product quality
and customer satisfaction as our highest priority.
We look forward to new customer relationships by providing value,
quality, customer service,honesty, integrity and the commitment to
maintain product consistency with each and every order.
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