Self-Locking Type D: Female Coupler × Female NPT Self-Locking Cam and Groove Coupling
Self-Locking Type D — locking female coupler with female NPT thread back. Connects a male NPT pipe to a hose with safety lock for accidental-disengagement protection.
Key features
- Variant: self-locking
- Coupling Type: D
- End A Configuration: Self-locking female coupler (spring-loaded cam arms)
- End B Configuration: Female NPT thread
- Size Range: 1", 1 1/2", 2", 2 1/2", 3", 4"
- Working Pressure: Up to 250 psi (1/2"–2"); 150 psi (3"–4"); 75 psi (5"–6") — derates with size, see datasheet
- Variant
- self-locking
- Coupling Type
- D
- End A Configuration
- Self-locking female coupler (spring-loaded cam arms)
- End B Configuration
- Female NPT thread
- Size Range
- 1", 1 1/2", 2", 2 1/2", 3", 4"
- Working Pressure
- Up to 250 psi (1/2"–2"); 150 psi (3"–4"); 75 psi (5"–6") — derates with size, see datasheet
Product description
The Self-Locking Type D: Female Coupler × Female NPT Self-Locking Cam and Groove Coupling is a Self-Locking cam & groove coupling, Type D, from the Sealfast industrial coupling range. Sealfast (USA) is a leading manufacturer of cam & groove couplings; Indus Hydraulics is an authorised distributor in the UAE.
Configuration
- Variant: Self-Locking
- Type: D
- End A: Self-locking female coupler (spring-loaded cam arms)
- End B: Female NPT thread
Specifications
- Size range: 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4"
- Materials available: Aluminum, Brass, 316 Stainless Steel
- Working pressure: Up to 250 psi (1/2"–2"); 150 psi (3"–4"); 75 psi (5"–6") — derates with size, see datasheet
- Gasket: Buna-N (nitrile) standard. Viton (FKM), EPDM, PTFE, Neoprene available on request for chemical compatibility
- Applicable standards: MIL-A-A-59326 (US), EN 14420-7 (Europe), ISO 16028-compatible cam geometry
Variant context
Sealfast Self-Locking cam & groove couplings have spring-loaded cam arms that automatically lock when the cam handles are seated. Prevents accidental disengagement under pressure spikes, vibration, or operator error — required for offshore, hazardous-fluid, and pressurised-air service. Backwards-compatible with standard couplings of the same type.
How to order
Specify (a) the size (1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 3", 4", 6"), (b) the body material from the available options, and (c) the gasket compound (Buna-N is standard; Viton, EPDM, or PTFE on request for chemical compatibility). Indus engineering will confirm the exact Sealfast part number on the RFQ.
Companion products
Pair with the matching cam & groove half (e.g., Type A pairs with Type B / D / DC; Type C pairs with Type E / F / DP), Sealfast hose clamps, and Indus industrial hose for a complete fluid-transfer assembly. Browse the Sealfast Couplings range for the full Standard / CrimpTEK / Self-Locking / Elbow family.
Identification
| Parameter | Value |
|---|---|
| Variant | self-locking |
| Coupling Type | D |
| Coupling Family | Cam & Groove Coupling |
Configuration
| Parameter | Value |
|---|---|
| End A Configuration | Self-locking female coupler (spring-loaded cam arms) |
| End B Configuration | Female NPT thread |
Dimensions
| Parameter | Value |
|---|---|
| Size Range | 1", 1 1/2", 2", 2 1/2", 3", 4" |
Construction
| Parameter | Value |
|---|---|
| Materials Available | Aluminum, Brass, 316 Stainless Steel |
| Standard Gasket | Buna-N (nitrile) standard. Viton (FKM), EPDM, PTFE, Neoprene available on request for chemical compatibility |
Performance
| Parameter | Value |
|---|---|
| Working Pressure | Up to 250 psi (1/2"–2"); 150 psi (3"–4"); 75 psi (5"–6") — derates with size, see datasheet |
Compliance
| Parameter | Value |
|---|---|
| Applicable Standards | MIL-A-A-59326 (US), EN 14420-7 (Europe), ISO 16028-compatible cam geometry |
Shipping & lead time
What is a cam & groove coupling?▾
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Lead time?▾
Shipped worldwide from our Dubai warehouse. Transit, routes and documentation for 126 destinations
The same part, in the designations used across European and Gulf trade catalogues.
- de
- Kamlok-Kupplung Typ D Innengewinde NPT
- fr
- raccord Camlock type D femelle NPT
- es
- acoplamiento Camlock tipo D hembra NPT
- it
- raccordo Camlock tipo D femmina NPT
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