PTFE Lined High Performance Wafer Butterfly Valve (D71F)

Model NO.: D71F

Working Temperature: Medium Temperature (120Â°C<T<450Â°C)

Material of Seal Surface: Metal Hard Sealed

Valve Body: Casting

Application: Industrial Usage

Model: D671f

Special Design: Wafer Lug Type

Function: on/off

Lined Material: PTFE Lined, PFA Lined

Fully Lined: for Lined Body & Lined Disc

Semi-Lined: for Lined Body or Lined Disc

Trademark: Goole, ODM, OEM

Transport Package: Plywood Case

Specification: CE, API, ISO

Origin: Wenzhou, Zhejiang, China

HS Code: 8481804090
PTFE Lined High Performance Wafer Butterfly Valve ( D71F)

PTFE Lined High Performance Wafer Butterfly Valve ( D71F)Â is aÂ valve (valve plate) rotating around fixed axis perpendicular to the channel, the piston type double or single action (spring reset) pneumatic actuator and the butterfly valve, belonging to the rotating high performance control or cut off the valve, the valve is used with electric -Â gas valve positioner or the electromagnetic valve, air filter regulator, limit switch (valve position), which can realize the fluid process pipeline in the proportion regulation and two cut-off control, automation control so as to achieve the parameters on the fluid flow, pressure, temperature, liquid level etc.. Widely used in gas, liquid, thick slurry or powder, suspended particles such as medium
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PTFE Lined High Performance Wafer Butterfly Valve ( D71F)Â Product features
1 pneumatic butterfly valve operating torque is small, the operation torque is one of the smallest of all valves, quick open and close, powered by compressed air, through the piston rack, mechanical drive rod gear, to aÂ rotary output torque to rotate the valve plate 0~90 Â°, will be able to complete the opening and closing action quick, simple structure, volume small, light weight, small flow resistance, flow coefficient, good sealing performance. The scope of regulation. Is the execution unit automation control system of the instrument;
2 the electric -Â gas valve positioner, the electric signal and compressed air as aÂ driving force, receive control input 0-10mA DC or 4-20mA DC current signal, the regulator will be compressed air, into the air pressure signal input and output, the rotation angle changes the valve plate (0-90 Â°Â arbitrary angle), which regulates the flow rate better.
3 the electromagnetic reversing valve, valve position, with aÂ AC220V or DC24V power supply voltage and the compressed air as the power, fast two bit on the fluid medium off control.
4 pneumatic actuator using the piston and crank conversion structure, large output torque, small volume, adopts fully sealed waterproof design high protection level. The cylinder body adopts the mirror cylinder, without oil lubrication, the friction coefficient is small, corrosion resistance, with superior durability and reliability. All transmission bearings with boundary self lubrication bearing lubrication without oil, ensure that the transmission shaft does not wear.

PTFE Lined High Performance Wafer Butterfly Valve ( D71F)

DN(mm) Rated CvÂ Piston Pneumatic
Actuator Model

80 200 GT75

100 405 GT110

125 620 GT110

150 1150 GT160

200 2030 GT160

250 3150 GT210

300 4550 GT210

Wafer Lug FEP / PTFE/ PFA Lined Butterfly ValveÂ Â Â
Nominal Diameter: DN40 - DN400Â 11/2"---16"
Face-To-Face:EN 558-1 (DIN 3202)
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ISO 5752
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â API 609
Flange Accommodation: DIN PN10 PN16
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ANSI 150
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â JIS 5K JIS 10K
Top Flange: ISO 5211
Temperature Range: -40Â°C to +180Â°C (depending on operation pressure)
Operating Pressure: Max. 10 bar,(16 bar for special version)
Differential Pressure: Max. Î”p 10 bar,(16 bar for special version)
Drive type: Hand lever
Â Â Â Â Â Â Â Â Gear box
Â Â Â Â Â Â Â Â Pneumatic actuator
PTFE Lined High Performance Wafer Butterfly Valve ( D71F)Â Material:

NO

Name

Material

1

Body

Carbon steel,stainless steel

2

Seat

PTFE,PCTFE,FEP,PFA

3

Disc

Stainless steel,carbon steel core fully covered with fluorine plastic

4

PTFE Ring

Viton

5

Spring

Si

6

Locator

Stainless steel

7

Wrench

Cast iron,cast aluminium alloy

PTFE Lined High Performance Wafer Butterfly Valve ( D71F) Dimension:

Nominal Diameter

L

D
mm

D1
mm

D2
mm

n-Ð¤d
mm

f
mm

D0 mm

H mm

Weight

DN

NPS

0.6

1.0

1.6

0.6

1.0

1.6

0.6

1.0

1.6

0.6

1.0

1.6

40

11/2

43

130

150

145

100

110

110

80

88

85

4-14

4-18

4-18

3

264

132

2.5

50

2

43

140

165

160

110

125

125

90

93

100

4-14

4-18

4-18

3

264

132

3.5

65

21/2

46

160

185

180

130

145

145

110

106

120

4-14

4-18

4-18

3

290

155

4.5

80

3

46

182

200

195

150

160

160

125

123

130

4-18

4-18

8-18

3

290

160

6

100

4

52

205

220

215

170

180

180

145

150

155

4-18

8-18

8-18

3

290

165

7.5

125

5

56

235

250

2445

200

210

210

175

172

185

4-18

8-18

8-18

3

290

190

11

150

6

56

260

285

280

225

240

240

200

198

210

4-18

8-23

8-23

3

290

215

16

200

8

60

315

340

335

280

295

295

255

252

265

4-18

8-23

12-23

3

320

275

18

Â

Ordering instructions
Type and name 1Â product 2Â nominal diameter DN (3 4Â mm nominal pressure flow characteristics of 5Â body materials and trims 6Â medium type and temperature range of 7Â valve before and after the pressure (differential pressure) 8Â seal form 9Â accessories

Ms Cathy
Yongjia Goole Valve Co.,Ltd
Heyi Industrial Zone, Oubei, Wenzhou,325105, China
Tel: +86-577-57781015,Â Â Â Fax: +86-577-67985602
Mob: +86 150 5759 6965,Â Â
Â
Web: www.chinavalve1.com
Weld Materials
1.Welding materials

In Welding, substances called filler materials or consumables are used. As the name implies, these substances provide filler or a body of molten materials that provides a strong bond to be formed between the base metals used. Most welding processes will also require some form of shielding to protect both the main components and filler from being oxidized during the process.

The type of welding materials used during welding depends on the nature of the job intended. Electrodes draw the necessary energy in order to perform welding applications. Luoyang Golden Egret Company has any kind of welding materials include CTC Welding Rod /rope, SCTC welding rod/rope, TC electronic welding rod, Ni-based welding rod, flux-cored Welding Wires, solid welding wires and etc.

Welding can be applied in different kinds of industries such as building and construction, oil and gas, marine, power generation, steel, mine tools, automobile, transportation and etc.

2. Welding rod

1)Cast tungsten carbide based tubular rod

The hard phase of the rod is cast tungsten carbide which leads to higher hardness and better wear-resistance.

Wear resistance: the wear resistance is 6-7 times better than others. Tested by ASTM G65

Mainly used for Mining machinery, Geological tools, Petroleum drilling tools etc, by Oxy-Acetylene with weak carburizing flame.

Product recommendation:

GT1103 (CTC, 60-80 mesh),

GT1103-1(CTC, 20-30 um),

GT1103-2(CTC, 40-60 um)

2)The hard phase of tube rod is carbide pellets which leads to higher impact resistance and better wear resistance than CTC cloase rod.

Wear resistance: the wear resistance is 6-7 times better than others. Tested by ASTM G65 wear test.

Mainly used for mining machinery. Geological tools etc; by Oxy-acetylene with weak carburizing flame.

Product recommendation:

GT2102 (Cemented carbide grit, 30-60mesh)

GT2102-2(Cemented carbide grit, 30-40mesh)

GT2102-3(Cemented carbide grit, 40-60mesh)

3)Tube rod is composited by Cemented carbide pellets, Spherical CTC and CTC. The layer has higher impact resistance, better wear resistance and good fluidity than other rods.

Wear resistance: the wear resistance is 6-7 times better than others. Tested by ASTM G65.

Mainly used for oil method drill bits, such as Tri-cone bit, Steel tooth bit, PDC bit, etc. By Oxy-Acetylene with weak carburizing flame.

Product recommendation:

GT3302 (carbide pellets, 20-40mesh)

GT3302-1(carbide pellets, 14-40um)

4)The hard phase of the rod is monocrystal WC, the welding layer has a higher wear resistance and better impact resistance.

The wear resistance is 6-7 times better than others, tested by ASTM G65 method.

Mainly used for the repair and strength for oil drills bits, such as PDC bit diameter holding by Oxy-Acetylene with weak carburizing flame.

Product recommendation:

GT4104 (Monocrystal WC, 80-200mesh)

3. Welding Rope

Made form mixture of CTC and self-fluxing nickel alloy covering on nickel wire. The CTC is in spherical or irregular with good wear resistance; the nickel alloy is in spherical or nearly spherical shape with good wettability and erosion resistance and better corrosion resistance than tubular rod.

Recommend to use Petroleum drilling tools, Concrete mixing blade, Mud pump, Coal sluice, Coal drill pipe, Tunnel drilling machinery etc.

By Oxy-Acetylene Welding with weak carburizing flame.

Product recommendation:

GS110450N (CTC, 4mm, HRC 47-55)

GS110550N (CTC, 5mm, HRC 47-55)

GS110650N (CTC, 6mm, HRC 47-55)

4. Welding Bar

The rod is sintered by CTC and Ni-based powders. The CTC(Cast Tungsten Carbide) is in irregular or spherical shape with better wear resistance and the nickel alloy is in spherical or nearly spherical shape and has good wettability with cast tungsten carbide. The cladding layer has a higher impact resistance and better wear resistance.

Its wear resistance and corrosion resistance is between tube rod and flexible rope.

Mainly used on the Steel PDC bit, Concrete mixer blade, Mud pump, Miner chute, Miner drill stem and Mechanical parts of Tunnel rock drill machine etc.

Welded by Oxy-Acetylene with weak carburizing flame.

Product recommendation:

GD4025253-3(CTC, SCTC, 4*600/6*600)

GD4030303-3(CTC, SCTC, 4*600/6*600)

5. Welding wire

Intensified molybdenum titanium vanadium composite chromium carbide welding wire can improve layer`s bonding strength and tenacity. This wire can use for multilayer welding which has no peel off, and it can maintain good wear resistance under certain impact working condition.

Product recommendation:GSQD671Mo-4(1.6mm)

Medium carbon and high chromium wear resistance welding wire has a higher hardness, stronger wear resistance, and excellent toughness by adding a certain amount of molybdenum alloys and boride. It has a better impact resistance and strip resistance than high chromium cast iron type materials

Product recommendation: GSQD621Mo-4(1.6mm)

6. Tungsten Carbide Pellets

With high sphericity & excellent alloy organization, cemented carbide pellet is mainly used in welding, as an adding material of PTA Powder , tubular welding rod, to improve the wear resistance of the workpieces greatly.

Product recommendation: GQ06

7. Tungsten Carbide Grits

Cemented carbide grit with different percent of cobalt has good abrasive resistance and is widely used for making grinding, polishing and cutting tools.

Product recommendation: GS08A

Weld Materials,Tubular Welding Rod,Welding Electrodes,Stainless Steel Welding Rod
Luoyang Golden Egret Geotools Co., Ltd , https://www.hvofpowders.com