Parts

Butterfly valve WBV3131S-2W-C-H with pneumatic spring-return actuator

PA-SA-85 · 4V320-08 220 V pilot · clamp · AISI 304 body · silicone seal

Model WBV3131S-2W-C-H SKU D050-65700

$220.53 USD

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How it works

Spring-return rotary actuator

Butterfly disc

5/2 double-solenoid pilot

5/2 double-solenoid pilot: Both coils off — **Both coils off**The spool keeps its last position; the drawing retains the coil-14 example.

The number that matters

Max. medium temperature

180°C

The highest medium temperature this valve is rated for.

Applications

Media and industries

Water
Steam
Neutral Media
Food Industry

Butterfly valves are designed for use as shut-off or regulating valves for controlling flows in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries. Operating principle: The valves are opened and closed by turning the disk by 90°. Opening is done by turning the handle counterclockwise, closing - clockwise.
Pneumatic actuator with return springs PA-SA-85 is designed for automation of the control process of quarter-turn pipeline valves. The principle of operation of the pneumatic actuator with return springs is based on the movement of the built-in piston due to compressed air, which enters the system from the compressor line prepared. During operation, the cylinder piston performs translational-rotational movement. Air is supplied only on one side of the piston, and the piston is returned by the action of a return spring. In such cylinders, the return spring reduces the forward force developed by the cylinder under the action of compressed air, and the force at the return to the initial position is determined by the stiffness and degree of compression of the spring.
Pneumatic valve is used to change the direction, start, stop the compressed air flow in the pneumatic system depending on the external control action.

Technical characteristics of water butterfly valves DNOVA WBV3131S-2W-C-H, body material - stainless steel AISI 304, seal - Silicon, with pneumatic actuator PA-SA-85, pneumatic distributor 4V320-08 220V:

Characteristic	Value
Type of valve	Rotary disc
Diameter	15–100 mm
Nominal pressure	10 bar
Working medium temperature	From -50 to +180°C
Application	Food industry
Type of connection	Clamp
Type of control	Pneumatic actuator
Tightness class	A
Warranty	12 months

Technical characteristics of pneumatic actuators with return springs DNOVA PA-SA-85 for food valves:

Characteristic	Value
Type of pneumatic actuator	Single-acting
Actuator torque	26 Nm
Control pressure	4 ÷ 7 bar
Control medium	Compressed air
Closing / opening time at 6 bar	2 / 2 sec
Average life	500 000 closing/opening cycles
Air supply	G1/8"
Ambient air temperature	From -20 to +60 °C
Average service life	10 years

Technical characteristics of pneumatic valves DNOVA 4V320-08 220V:

Characteristics	Value
Pneumatic valve model	4V320-08 220V
Supply voltage	220V
Type of pneumatic valve	Spool
Nominal pressure	12 bar
Working pressure	1.5...8 bar
Ambient temperature	From -5 to +50 °C
Working medium	Purified air (purification fineness 40 µm)
Response frequency	5 cycles/s
Protection class	IP65
Control	Two-way electromagnetic
Body material	Aluminum alloy and technopolymer
Response time	0.05 s
Diameter of working channels	1/4"

Overall and installation sizes of water butterfly valves DNOVA WBV3131S-2W-C-H, body material - stainless steel AISI 304, seal - Silicon, with pneumatic actuator PA-SA-85, pneumatic distributor 4V320-08 220V:

Diameter	D, mm	D1, mm	A, mm	H, mm	J, mm	K, mm
DN15	34	78	66	86	126	8x8
DN20	34	78	66	86	126	8x8
DN25	50.5	78	66	86	126	8x8
DN32	50.5	86	66	90	126	8x8
DN40	50.5	90	70	92	126	8x8
DN50	64	106	76	104	133	10x10
DN65	91	124	80	113	144	10x10
DN80	106	139	84	123.5	160	10x10
DN100	119	159	104	133.5	160	10x10

Dimensions and mounting sizes of pneumatic actuators with return springs DNOVA PA-SA-85 for food valves:

Model	C, mm	D, mm
PA-SA-85	147	85

Overall and installation sizes of pneumatic valves DNOVA 4V320-08 220V:

A, mm	71.9
B, mm	45
C, mm	94.4
D, mm	27
E, mm	69
F, mm	40
H, mm	82.4
I, mm	24
K, mm	40
L, mm	188.8
M, mm	69.4
N, mm	50
O, mm	83.4
P, mm	22
S, mm	20
T, mm	6.5
U, mm	2.4

Materials of water butterfly valves DNOVA WBV3131S-2W-C-H, body material - stainless steel AISI 304, seal - Silicon, with pneumatic actuator PA-SA-85, pneumatic distributor 4V320-08 220V:

№	Part Name	Material
1	Body	Stainless steel AISI 304
2	Rotary assembly	Stainless steel AISI 304
3	Disc	Stainless steel AISI 304
4	Seat seal	EPDM or Silicon
5	Nut	Steel A2~70
6	Bolt	Steel A2~70
7	Plug	ABS plastic
8	Handle	Stainless steel AISI 304

Construction of pneumatic actuators with return springs DNOVA PA-SA-85 for food valves:

№	Part name	Material
1	Air inlet fitting	n/a
2	Retaining ring	Stainless steel 304
3	Upper cover	Stainless steel 304
4	Sealing ring	NBR
5	Sealing ring	NBR
6	Piston	Aluminum alloy 4A11 (high silicon content - 4.5% to 6%)
7	Needle bearing	n/a
8	Spring	Spring steel 65Mn
9	Spring	Spring steel 65Mn
10	Needle bearing	n/a
11	Needle bearing	n/a
12	Transfer ring	Stainless steel 304
13	Sealing ring	NBR
14	Needle bearing	n/a
15	Body	Stainless steel 304
16	Muffler	Brass H62

Body material: Stainless steel AISI 304
Maximum allowable temperature: 180 °C
Connection type: Clamp
Control type: Pneumatic actuator
Operating environment: Water, Steam, and Neutral Media
Applications: Food Industry
Type of seal: Silicone
Disc material: Stainless steel AISI 304
Manual override: No
Limit switches: No
Type of pneumatic actuator: unilateral action
Country of origin: China

Production. Usually 7–14 business days after you approve the quotation and pay. Made-to-specification items are confirmed in the quotation.

Freight. Not charged at checkout. A manager quotes air and sea freight to your port or airport, and nothing ships until you approve the price and the freight.

To North America. From approval and payment to the destination port or airport: air 14–24 days, sea 32–60 days. Estimates, not guarantees.

Terms. EXW Ningbo or FOB Ningbo Port; CIF on request. The agreed term is written on the Proforma Invoice.

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Variant	Variant total	Quantity	Price	Variant total
DN15D050-65700	DN15D050-65700 $220.53/ea	$0.00	Quantity	$220.53/ea	$0.00

DN20D050-65701	DN20D050-65701 $221.23/ea	$0.00	Quantity	$221.23/ea	$0.00

DN25D050-65702	DN25D050-65702 $221.23/ea	$0.00	Quantity	$221.23/ea	$0.00

DN32D050-65703	DN32D050-65703 $221.58/ea	$0.00	Quantity	$221.58/ea	$0.00

DN40D050-65704	DN40D050-65704 $224.59/ea	$0.00	Quantity	$224.59/ea	$0.00

DN50D050-65705	DN50D050-65705 $237.54/ea	$0.00	Quantity	$237.54/ea	$0.00

DN65D050-65706	DN65D050-65706 $283.87/ea	$0.00	Quantity	$283.87/ea	$0.00

DN80D050-65707	DN80D050-65707 $288.50/ea	$0.00	Quantity	$288.50/ea	$0.00

DN100D050-65708	DN100D050-65708 $293.73/ea	$0.00	Quantity	$293.73/ea	$0.00

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