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Home > products > Control Valves > Pneumatic Diaphragm Low Temperature Double Seat Control Valve

Pneumatic Diaphragm Low Temperature Double Seat Control Valve

Product Details

Place of Origin: China

Brand Name: WEYO

Model Number: HAN

Payment & Shipping Terms

Minimum Order Quantity: Negotiable

Price: Based on oroiect reauirements

Packaging Details: Customized packaging to protect products

Delivery Time: 7 - 15 days for small orders, 15 - 30 days for large orders

Payment Terms: L/C, T/T

Supply Ability: 5000 units per month for small parts. 1000 units per month for large parts

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Diaphragm double seat control valve

,

Low Temperature double seat control valve

,

Pneumatic double seated globe valve

Nominal Diameter:
25~300mm
Nominal Pressure:
PN1.6MPa
Connection Type:
Flanged Connection In Accordance With JB/T79.1 PN1.6MPa
Material:
ZG1Cr18Ni9, ZG0Cr17Ni12Mo2
Upper Valve Bonnet:
Low-temperature Type -1, -2: -100~-60℃ -3, -4: -200~-100℃ -5, -6: -250~-200℃
Packing:
V-type Polytetrafluoroethylene Packing
Nominal Diameter:
25~300mm
Nominal Pressure:
PN1.6MPa
Connection Type:
Flanged Connection In Accordance With JB/T79.1 PN1.6MPa
Material:
ZG1Cr18Ni9, ZG0Cr17Ni12Mo2
Upper Valve Bonnet:
Low-temperature Type -1, -2: -100~-60℃ -3, -4: -200~-100℃ -5, -6: -250~-200℃
Packing:
V-type Polytetrafluoroethylene Packing
Pneumatic Diaphragm Low Temperature Double Seat Control Valve

HAN Pneumatic Diaphragm Low-Temperature Double-Seat Control Valve

 

HAN pneumatic diaphragm low-temperature double-seat control valves are widely used in industrial sectors such as air separation equipment, oxygen generators, petroleum, chemical industry, metallurgy, and power stations. They control the flow of low-temperature media and are suitable for occasions with general sealing requirements.

 

Flow coefficient Kv is shown in Table 1 Table 1
Nominal Diameter(mm) 25 32 40 50 65 80 100 125 150 200 250 300
Valve Seat Diameter(mm) 15 20 25 32 40 50 65 80 100 125 150 200 250 300
Flow Coefficient Kv 4 6.3 10 16 25 40 63 100 160 250 400 630 1000 1600

 

Allowable pressure difference is shown in Table 2 (flow-opening state, P2=0 when closed) Table 2
Supply Pressure Spring Range Nominal Diameter(mm)
25 32 40 50 65 80 100 125 150 200 250 300
0.14 0.02~0.10 5.9 4.9 3.8 2.95 4 3.3 2.6 3.6 3.04 2.28 1.7 1.38
0.28 0.08~0.24 8.3 8.3 5.8 5.8 6.5 6.5 6.1 7.1 7.1 5.32 3.98 3.22
Mated Actuator HA2HA3 HA4 VA5
Effective Diaphragm Area(cm2) 310 550 950 1300
Stroke(mm) 16 25 40 60 100

 

Overall dimensions are shown in Table 3 Table 3 Unit: mm
Nominal Diameter A H1 H2 H φ C Actuator
-100℃ -200℃ -250℃ -100℃ -200℃ -250℃
-1 -2 -3 -4 -5 -6 -1 -2 -3 -4 -5 -6
25 185 117 500 600 700 800 900 1000 1063 1163 1263 1363 1463 1563 280 281 HA2
32 200 120
40 220 156 320
50 250 164
65 275 188 600 700 800 900 1000 1100 1248 1348 1448 1548 1648 1748 380 363 HA3
80 300 208
100 350 220 470
125 410 268 700 800 900 1000 1100 1200 1611 1711 1811 1911 2011 2111 540 520 HA4
150 450 278 580
200 550 320 680
250 670 440 800 900 100 1100 1200 1300 2335
(2465)
2435
(2565)
2535
(2665)
2635
(2765)
2735
(2865)
2835
(2965)
840 620 VA5
300 770 502 950
Note: The values in parentheses in the table are the data for the reverse-acting actuator.

 

Ordering Instructions
  1. Model
  2. Nominal diameter
  3. Nominal pressure
  4. Valve body material and material of internal valve components
  5. Actuator
  6. Flow characteristic
  7. Operating temperature (height H2)
  8. Supply pressure
  9. Valve action type
  10. Accessories