WPS-CA Series — Asia-Pacific General Agent

Baghouse Pulse Valve

Xiechang® distributes the Watson® WPS-CA series as Asia-Pacific general agent — a premium pulse valve line built for high-temperature, high-cycle duty, spanning DN20 right-angle valves up to DN400 submerged slip-on units for the largest baghouse tanks.

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Watson® baghouse pulse valve supplier — WPS-CA series

Universal Operating Specification

Operating conditions across the WPS-CA range.

Working MediumClean air

Power SupplyDC24V (AC 220V/50Hz to 240V/60Hz)

Class of ProtectionIP65

Working EnvironmentNormal: −20°C to 80°C / High-Temp: 55°C to 180°C

Relative Humidity≤ 85%

Full Model Range

WPS-CA series, by connection type.

Normal range −20°C to 80°C, high-temp range 55°C to 180°C · IP65 · CE / CCC / RoHS certified · ≤85% relative humidity

Type	Model No.	Size (Inch)	DN Size	Ex-Proof Grade
Right-Angle	WPS-CA/TG20	G3/4″	DN20	Single Diaphragm
Right-Angle	WPS-CA/TG25	G1″	DN25	Single Diaphragm
Right-Angle	WPS-CA/TG40	G1½″	DN40	Double Diaphragm
Right-Angle	WPS-CA/TG50	G2″	DN50	Double Diaphragm
Right-Angle	WPS-CA/TG62	G2½″	DN65	Double Diaphragm
Right-Angle	WPS-CA/TG76	G3″	DN76	Double Diaphragm
Threaded Nut	WPS-CA/TD20	G1¼″	DN20	Single Diaphragm
Threaded Nut	WPS-CA/TD25	G1¾″	DN25	Single Diaphragm
Threaded Nut	WPS-CA/TD40	G2¼″	DN40	Double Diaphragm
Submerged	WPS-CA/EG25	G1″ Threaded	DN25	Single Diaphragm
Submerged	WPS-CA/EG40	G1½″ Threaded	DN40	Double Diaphragm
Submerged	WPS-CA/EP50	Slip-on	DN50	Double Diaphragm
Submerged	WPS-CA/EP62	Slip-on	DN65	Double Diaphragm
Submerged	WPS-CA/EP76	Slip-on	DN80	Double Diaphragm
Submerged	WPS-CA/EP102.B	Slip-on	DN90	Double Diaphragm
Submerged	WPS-CA/EP102	Slip-on	DN100	Double Diaphragm
Submerged	WPS-CA/EP115	Slip-on	DN115	Double Diaphragm
Submerged	WPS-CA/EP200	Slip-on	DN200	Double Diaphragm
Submerged	WPS-CA/EP250	Slip-on	DN250	Double Diaphragm
Submerged	WPS-CA/EP300	Slip-on	DN300	Double Diaphragm
Submerged	WPS-CA/EP350	Slip-on	DN350	Double Diaphragm
Submerged	WPS-CA/EP400	Slip-on	DN400	Double Diaphragm

Product Standards

Engineered for high-cycle, high-temperature duty.

CertificationsCE, CCC, RoHS

Ingress ProtectionIP65

Sustained Operating RangeUp to 180°C in the high-temperature configuration

Certifications

Third-party certified for this product line.

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Explosion-Proof Certificate of Conformity (NEPSI) — WPS-F Series Explosion-Proof Pulse Valves

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Product Certification

WPS-F series (WPS-F-CA/TG20–TG76, TD20–TD40, EG25–EG40, EP50–EP115, incl. -E/-F/-M variants)

Explosion-Proof Certificate of Conformity (NEPSI) — WPS-F Series Explosion-Proof Pulse Valves

Certificate No.	GYB25.2393X
Issued by	Shanghai Instrument & Automation System Inspection and Testing Institute Co., Ltd. (NEPSI — National Supervision and Inspection Center for Explosion Protection and Safety of Instrumentation)
Issued	2025-07-30
Valid until	2030-07-29
Standards	GB/T 3836.1-2021, GB/T 3836.9-2021, Q/320500 HSXC 004-2022

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UL Certificate of Compliance — Recognized Component, Coil Assembly for Electrically Operated Valves

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Product Certification

WPS-TZ-XQ (suffix A, B, C, D or E)

UL Certificate of Compliance — Recognized Component, Coil Assembly for Electrically Operated Valves

Certificate No.	20150423-MH49402 (Report Reference MH49402-20130423)
Issued by	UL LLC
Issued	2015-04-23
Standards	UL 429, CAN/CSA C22.2 No. 139-10

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Technical Drawings

Installation dimensions for this product.

Dimensions available on inquiry

WPS-CA/TG25

WPS-CA/TG25 · right-angle valve — Installation Drawing

Mounting pitch (top view, horizontal)	🔒
Flange / body outer diameter ø	🔒
Overall base width (top view)	113 [4.45]
Inlet flange offset (front view)	🔒
Outlet flange / base pitch (front view, right)	27 [1.06]
Inlet port center height	24 [0.94]

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WPS-CA/TG40

WPS-CA/TG40 · right-angle valve — Installation Drawing

Mounting pitch (top view, horizontal)	🔒
Flange / body outer diameter ø	🔒
Overall base width (top view)	131 [5.2]
Inlet flange offset (front view)	🔒
Outlet flange / base pitch (front view, right)	28 [1.1]
Inlet port center height	34 [1.3]

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WPS-CA/TG50

WPS-CA/TG50 · right-angle valve — Installation Drawing

Mounting pitch (top view, horizontal)	🔒
Flange / body outer diameter ø	160 [6.3]
Overall base width (top view)	180 [7.09]
Inlet flange offset (front view)	36 [1.42]
Outlet flange / base pitch (front view, right)	🔒
Inlet port center height	🔒

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WPS-CA/TG62

WPS-CA/TG62 · right-angle valve — Installation Drawing

Mounting pitch (top view, horizontal)	🔒
Flange / body outer diameter ø	188 [7.4]
Overall base width (top view)	🔒
Inlet flange offset (front view)	🔒
Outlet flange / base pitch (front view, right)	37 [1.46]
Inlet port center height	49 [1.93]

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WPS-CA/TG76

WPS-CA/TG76 · right-angle valve — Installation Drawing

Mounting pitch (top view, horizontal)	🔒
Flange / body outer diameter ø	🔒
Overall base width (top view)	🔒
Outlet flange offset (front view, left of pair)	38 [1.5]
Outlet flange / base pitch (front view, right)	45 [1.77]
Inlet port center height	59 [2.32]

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Knowledge Base

Practical answers for this product.

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Advantages

What explosion-proof certification does the WPS-F (Watson) pulse valve series hold?

The WPS-F series holds Ex certificate GYB25.2393X (Ex mb IIC T4 Gb / IIIC T130°C Db) to GB/T 3836, valid 2025–2030.

WPS-FWatsonEx certificate

Specifications

What are the technical parameters of the Watson® WPS-CA/EP102.B 3.5-inch immersed pulse valve?

The Watson® WPS-CA/EP102.B (3.5") immersed valve runs 0.2–0.6 MPa working pressure, 0.3–0.4 MPa recommended blow pressure, 80–150 ms pulse width, with a 700–800 L air tank (≥14" diameter) driving 72–100 m² of filter area (18–25 bags up to ∮160×8000 mm).

Watson pulse valveWPS-CAWPS-CA/EP102.B

Specifications

What are the specifications of the Watson® WPS-F-CA/TG explosion-proof electromagnetic pulse valve?

Watson® WPS-F-CA/TG is a female-thread explosion-proof pulse valve in sizes TG25 (1") to TG76 (3"). It runs 2–6 bar, DC24V or AC220V/50Hz, 22 W, IP65, with explosion-proof marking Ex mb ⅡC T4 Gb / Ex mD 21 T130 °C Db.

Watson explosion-proof valveWPS-F-CA/TGflameproof pulse valve

Specifications

What are the specifications of the Watson® WPS-CA/EP ultra-low-pressure large-diameter pulse valve?

Watson® WPS-CA/EP is an ultra-low-pressure large-diameter pulse valve in sizes EP200 (8") to EP400 (16"). It runs at just 0.05–0.1 MPa with a three-stage diaphragm, DC24V (AC220V/50Hz), 1.2A (0.5A), −25~100 °C, IP-rated, and suits energy-saving Roots-blower air supply.

Watson ultra-low-pressure valveWPS-CA/EPlarge diameter valve

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