Electric flange ball valve
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  • Electric flange ball valve

I. Core Structural Features

The core structure of the electric flange ball valve conforms to GB/T 12237 "Steel ball valves for petroleum, petrochemical and related industries" and **GB/T 12238 "Flanged and double-flanged elastic sealed butterfly valves"** national standards, the key structures are as follows:
  • Drive Type Electric actuator drive (the electric device at the top is visible in the picture, compatible with the BZ series actuator), supporting remote/local control. Some models integrate a manual operating mechanism, which can be manually switched in emergency situations, in compliance with JB/T 8528 "Technical conditions for general-purpose valve electric devices"
  • Connection Method Flange connection, dimensions conform to GB/T 9113 "Integral steel pipe flanges"
  • Sealing Structure Soft seal (PTFE valve seat) or hard seal (metal-to-metal sealing surface) optional, high sealing reliability, conforming to GB/T 12237 sealing performance requirements;
  • Valve Body Structure Two-piece/three-piece flange-connected valve body (the picture shows the flanged ball valve body), the flow path is designed as full-bore or reduced-bore, with low fluid resistance and low opening and closing torque;
  • Protection Level The electric device has an IP65 (some models reach IP67) protection level, suitable for outdoor, humid and other complex environments, conforming to GB/T 4942.2 "Degree of protection provided by enclosures of low-voltage switchgear and controlgear"

 

II. Main Technical Parameters (National Standard)

Parameter Name Value/Range Unit National Standard Basis
Nominal Diameter DN15~DN300 mm GB/T 1047
Nominal Pressure PN10、PN16、PN25、PN40 MPa GB/T 1048
Shell Test Pressure 1.5 × Nominal Pressure MPa GB/T 13927 "Pressure test of valves"
Sealing Test Pressure 1.1 × Nominal Pressure MPa GB/T 13927 "Pressure test of valves"
Applicable Medium Water, oil, natural gas, weakly corrosive media - GB/T 12237
Applicable Temperature Soft seal: -29~200℃; Hard seal: -29~425℃ GB/T 12237
Electric Actuator Power Supply AC220V、AC380V V JB/T 8528
Control Method On-off type, regulating type - JB/T 8528
Action Time 5~60s (depending on diameter/power) s JB/T 8528

 

III. Main Part Materials (National Standard)

Part Name Material Implementation Standard
Valve body, valve cover Cast steel (WCB), stainless steel (CF8, CF8M) GB/T 12229, GB/T 12230
Ball Stainless steel (0Cr18Ni9, 0Cr17Ni12Mo2) GB/T 1220
Valve seat Polytetrafluoroethylene (PTFE), Para-polyphenylene (PPL), metal alloy GB/T 5258, GB/T 3077
Valve stem Stainless steel (2Cr13, 0Cr17Ni12Mo2) GB/T 1220
Electric actuator housing Aluminum alloy (ZL102), cast iron (HT200) GB/T 1173, GB/T 9439
Fasteners Stainless steel (0Cr18Ni9), alloy structural steel (35CrMoA) GB/T 3098

 

IV. Dimensions (National Standard)

Specifications

Nominal Diameter

DN (mm)

Flange outer diameter

D (mm)

Bolt hole center distance

K (mm)

Number and diameter of bolt holes

n-φd (mm)

Structural length

L (mm)

Q941F-16C 15 95 65 4-φ14 108
Q941F-16C 20 105 75 4-φ14 117
Q941F-16C 25 115 85 4-φ14 127
Q941F-16C 32 135 100 4-φ18 140
Q941F-16C 40 145 110 4-φ18 152
Q941F-16C 50 165 125 4-φ18 165
Q941F-16C 65 185 145 8-φ18 180
Q941F-16C 80 200 160 8-φ18 190
Q941F-16C 100 220 180 8-φ18 203
Q941F-16C 125 250 210 8-φ22 216
Q941F-16C 150 285 240 8-φ22 229
Q941F-16C 200 340 295 12-φ22 267
Q941F-16C 250 405 355 12-φ26 292
Q941F-16C 300 460 410 12-φ26 318

 

V. Typical Application Scenarios

Combined with product structure and function, suitable for the following scenarios:
  • Water supply and drainage engineering :City water supply, sewage treatment plants, electric control of water flow, realizing automated scheduling;
  • Petrochemical industry :Lightweight oil products, chemical raw material pipelines, corrosion-resistant and reliable sealing;
  • Power industry :Cooling water circulation system, fire water system, rapid opening and closing to ensure system safety;
  • Heating system :High-temperature hot water, steam pipelines, electric flow regulation, suitable for unattended operation;
  • Food and pharmaceutical industry :Hygienic stainless steel ball valves (such as CF8M material), meet the requirements of clean media.

Keyword

Electric flange ball valve
+
  • Electric flange ball valve

Electric flange ball valve

Electric flange ball valves are driven by electric actuators, with flange connections conforming to national standards. Soft seal / hard seal options are available, suitable for DN15~DN300 pipelines, with temperature resistance of -29~425℃ and pressure resistance of PN10~PN40. The product conforms to GB/T 12237, GB/T 13927 and other standards. It is widely used in water supply and drainage, petrochemical, and power industries, enabling remote automated control. It features reliable sealing, convenient operation, and enhances the intelligence and safety of industrial fluid systems.

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