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Email:sales@bundor.com    |   Tel: +86 150 0225 9955   |   Wechat: Bundor_marketing   |    Skype: +86 150 0225 9955

Home ? Products ? Butterfly Valve ? Lug Type Butterfly Valve
Double Stem Lug Butterfly Valve1
Double Stem Lug Butterfly Valve2
Double Stem Lug Butterfly Valve3
Double Stem Lug Butterfly Valve4
Double Stem Lug Butterfly Valve1 Double Stem Lug Butterfly Valve2 Double Stem Lug Butterfly Valve3 Double Stem Lug Butterfly Valve4

Double Stem Lug Butterfly Valve

【Size Range】: 2~8"(DN50~DN200)

【Pressure】: PN10, PN16, Class125

【Body Materials】: Cast Iron, Ductile Iron

【Seat Materials】: NBR, EPDM, VITON, PTFE

【Disc Materials】: Ductile Iron, WCB, CF8, CF8M, Al-bronze C958

【Stem Materials】: SS416, SS304, SS316

ADVANTAGES

Double stem lug butterfly valve Features

Single Eccentric Disc-Shaft
Anti-Blow Out Stem
Bi-Directional
Fire safe Design
Low Friction Body Seat
Zero Leakage

Adoptive Standards

Valve Design: API 609, MSS SP-67
Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
Pressure Test: API 598
Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
Top Flange: ISO5211

Product Advantage

1.The length of the short structure can save raw materials and installation space, and also effectively support the strength of the pipeline.

2.The valve block is the correct movement of the gate, extrusion fast, to ensure effective sealing valve.

3.Triangle support material, guarantee the required mechanical properties.

4.According to different working conditions demand design V, triangle, or five corners and other ports, in order to meet the needs of various flow regulation.

5.No groove at the bottom to make sure no slag and full bore flow.

6.Bundor valve strict implementation of the API598 experimental standard, for each product to implement 100% positive and negative double pressure test, guarantee delivery to customers is 100% qualified products.

7.Bundor Group dedicated to the dedication of the valve for 23 years, with professional production, sales, research and after-sales team,we are your strong backing.

Standard Test

Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
Seat Test: 1.1 times the working pressure with water.
Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
Special Test: On request, any other test can be carried out according to special instruction by client.

PARAMETER INFORMATION

SIZE A B C L ANSI 150B DIN PN 10 DIN PN 16 JIS 10K ISO 5211 Top
Flange
mm in øK N-M øK N-M øK N-M øK N-M øD øD1 N-ød
40 1.5" 70 164 32 33 98.5 4-1/2"-13UNC-2B 110 4-M16 110 4-M16 105 4-M16 65 50 4-ø8 F05
50 2" 80 169 32 43 120.6 4-5/8"-11UNC-2B 125 4-M16 125 4-M16 120 4-M16 65 50 4-ø8 F05
65 2 1/2" 89 176 32 46 139.7 4-5/8"-11UNC-2B 145 4-M16 145 4-M16 140 4-M16 65 50 4-ø8 F05
80 3" 95 183 32 46 152.4 4-5/8"-11UNC-2B 160 8-M16 160 8-M16 150 8-M16 65 50 4-ø8 F05
100 4" 114 201 32 52 190.5 8-5/8"-11UNC-2B 180 8-M16 180 8-M16 175 8-M16 90 70 4-ø10 F07
125 5" 127 214 32 56 215.9 8-3/4"-10UNC-2B 210 8-M16 210 8-M16 210 8-M20 90 70 4-ø10 F07
150 6" 139 229 32 56 241.3 8-3/4"-10UNC-2B 240 8-M20 240 8-M20 240 8-M20 90 70 4-ø10 F07
200 8" 175 257 45 60 298.4 8-3/4"-10UNC-2B 295 8-M20 295 12-M20 290 12-M20 125 102 4-ø12 F10
250 10" 203 280 45 68 361.9 12-7/8"-9UNC-2B 350 12-M20 355 12-M24 355 12-M22 125 102 4-ø12 F10
300 12" 242 327 45 78 431.8 12-7/8"-9UNC-2B 400 12-M20 410 12-M24 400 16-M22 125 102 4-ø12 F10

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CONTACT US

Sales@bundor.com

No.37 Puhui Road,Beizhakou Economic Development Zone, Tianjin City, China PR

Contact us now if you have any questions about our company and products.We will retain your information completely private.

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