Watson® WPS-CA/TG Threaded Series

Threaded Pulse Valve

Watson® threaded pulse valves use a robust right-angle body with standard G-thread connections for baghouse pulse-jet cleaning systems. The WPS-CA/TG range covers DN20 through DN76 models for stable blowpipe connection, reliable pulse delivery, and high-cycle industrial dust collection duty.

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Universal Operating Specification

Operating conditions across the WPS-CA range.

Working Pressure0.4-0.6 MPa (4-6 bar)

Working MediumClean air

Power SupplyDC24V, AC220V/50Hz to AC240V/60Hz

Protection ClassIP65

Working EnvironmentNormal: -20°C to 80°C; high-temp: 55°C to 180°C

Relative Humidity≤85%

Full Model Range

Watson® WPS-CA/TG threaded pulse valve models.

Working pressure 0.4-0.6 MPa · clean air · DC24V or AC220V/50Hz-AC240V/60Hz · IP65 · CE / CCC / RoHS certified

Type	Model No.	Size (Inch)	DN Size	Ex-Proof Grade
Threaded	WPS-CA/TG20	G3/4"	DN20	Single Diaphragm
Threaded	WPS-CA/TG25	G1"	DN25	Single Diaphragm
Threaded	WPS-CA/TG40	G1 1/2"	DN40	Double Diaphragm
Threaded	WPS-CA/TG50	G2"	DN50	Double Diaphragm
Threaded	WPS-CA/TG62	G2 1/2"	DN65	Double Diaphragm
Threaded	WPS-CA/TG76	G3"	DN76	Double Diaphragm

Product Standards

Watson® threaded pulse valve advantages.

CertificationsCE, CCC, RoHS

Ingress ProtectionIP65

ConnectionStandard G-thread connection supports rigid, widely compatible installation on threaded blowpipes.

Valve BodyRight-angle reinforced construction is suited to high-pressure pulse-jet cleaning duty.

High-Temp DutyHigh-temperature diaphragm options support power plant, smelter, and incineration baghouse applications.

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/TD20

WPS-CA/TD20 · male-thread / flameproof valve — Installation Drawing

Overall height	162 [6.38]
Inlet pipe-port outer diameter (top of detail)	phi27 [1.06]
Inlet pipe-port inner/seat diameter	🔒
Inlet pipe-port chamfer	3*30 deg
Inlet pipe-port depth 1	🔒
Inlet pipe-port wall/step	🔒

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WPS-CA/TD25

WPS-CA/TD25 · male-thread / flameproof valve — Installation Drawing

Overall height	🔒
Inlet pipe-port outer diameter (top of detail)	phi34 [1.34]
Inlet pipe-port inner/seat diameter	🔒
Inlet pipe-port chamfer	🔒
Inlet pipe-port depth 1	30 [1.18]
Inlet pipe-port wall/step	2 [0.08]

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WPS-CA/TD40

WPS-CA/TD40 · male-thread / flameproof valve — Installation Drawing

Overall height	🔒
Inlet pipe-port outer diameter (top of detail)	🔒
Inlet pipe-port inner/seat diameter	🔒
Inlet pipe-port chamfer	3*30 deg
Inlet pipe-port depth 1	30 [1.18]
Inlet pipe-port wall/step	2 [0.08]

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WPS-F-CA/TG25

WPS-F-CA/TG25 · male-thread / flameproof valve — Installation Drawing

Overall height	136 [5.35]
Inlet port thread	G1"
Outlet port thread	🔒
Inlet neck length / in offset	🔒
Body seat to flange dimension (top-left)	🔒
Outlet neck length (right)	27 [1.06]

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WPS-F-CA/TG40

WPS-F-CA/TG40 · male-thread / flameproof valve — Installation Drawing

Overall height	🔒
Inlet port thread	🔒
Outlet port thread	G1-1/2"
Inlet neck length / in offset	34 [1.3]
Body seat to flange dimension (top-left)	🔒
Outlet neck length (right)	28 [1.1]

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