PRODUCTS

DNP offers a wide range of accessories including dust caps, anchor brackets, check valves, swivel joints etc.

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Color Code is DNP’s revolutionary color-coding for quick release couplings. Color Safe System increases safety level, uptime and efficiency of you operations. Please contact DNP for more details. The photograph shows Color Safe System installed on an oil rig.

DNP designes and manufactures a wide range of customized multi couplings for many applications.

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ISO A - FREE FLOW/STEEL

• Standard: ISO 7241 A
• Occlusion: free flow
• Locking: radial balls
• Material: steel
• Finishing: Zn-Fe
• Threads: BSP - NPT - RC
• Standard seals: NBR 
• Working temperature: -25 °C +100 °C
• Optional seals: FKM, FFKM, EPDM or more
• Working pressure: 250-350 bar

ISO A - FREE FLOW/STEEL

• Standard: ISO 7241 A
• Occlusion: free flow
• Locking: radial balls
• Material: steel
• Finishing: chroming
• Threads: BSP - NPT - RC
• Standard seals:  FKM
• Working temperature:-25 °C +200 °C
• Optional seals: FKM, FFKM, EPDM or more
• Working pressure: 250-350 bar

ISO A - STEEL

• Standard: ISO 7241 A
• Occlusion: poppet
• Locking: radial balls
• Material: steel
• Finishing: Zn-Fe (Cr III)
• Threads: BSP - NPT - RC - SAE
• Standard seals: NBR
• Working temperature: -25 °C +100 °C
• Optional seals: FKM, FFKM, EPDM or more
• Working pressure: 160-350 bar
• Connection under pressure: not allowed

ISO A - STAINLESS STEEL

• Standard: ISO 7241 A
• Occlusion: poppet
• Locking: radial balls
• Material: stainless steel AISI 316
• Threads: BSP - NPT
• Standard seals: FKM
• Working temperature: -25 °C +200 °C
• Optional seals: FFKM, EPDM or more
• Working pressure: 60-450 bar
• Connection under pressure: not allowed

 ISO B - FREE FLOW/STAINLESS STEEL

• Standard: ISO 7241 B
• Occlusion: free flow
• Locking: radial balls
• Material: stainless steel AISI 316
• Threads: BSP - NPT
• Standard seals: FKM
• Working temperature: -25 °C +200 °C
• Optional seals: FFKM, EPDM or more
• Working pressure: 60-350 bar

ISO B / STEEL

• Standard: ISO 7241 B
• Occlusion: poppet
• Locking: radial balls
• Material: steel
• Finishing: Zn-Fe (Cr III)
• Threads: BSP - NPT - SAE
• Standard seals: NBR
• Working temperature: -25 °C +100 °C
• Optional seals: FKM, FFKM, EPDM or more
• Working pressure: 100-500 bar
• Connection under pressure: not allowed

ISO B / STEEL

• Standard: ISO 7241 B
• Approval: API 16D
• Occlusion: poppet
• Locking: radial balls
• Material: steel
• Finishing: Zn-Fe (Cr III)
• Threads: BSP - NPT
• Working temperature: -25 °C +200 °C
• Working pressure: 250 bar
• Connection under pressure: not allowed

ISO B - BRASS

• Standard: ISO 7241 B
• Occlusion: poppet
• Locking: radial balls
• Material: brass
• Finishing: nickel-plating on request
• Threads: BSP - NPT
• Standard seals: FKM
• Working temperature: -25 °C +200 °C
• Optional seals: FFKM, EPDM or more
• Working pressure: 50-300 bar
• Connection under pressure: not allowed

ISO B - STAINLESS STEEL

• Standard: ISO 7241 B
• Occlusion: poppet
• Locking: radial balls
• Material: stainless steel AISI 316
• Threads: BSP - NPT
• Standard seals: FKM
• Working temperature: -25 °C +200 °C
• Optional seals: FFKM, EPDM or more
• Working pressure: 60-400 bar
• Connection under pressure: not allowed

1000 BAR/115 - UHP COUPLINGS

• Compatibility: Cejn 115
• Occlusion: poppet
• Locking: radial balls
• Material: high resistance steel
• Finishing: Zn-Fe (Cr III)
• Threads: BSP - NPT
• Standard seals: special compound
• Working temperature: -35 °C +130 °C
• Working pressure: 1000 bar
• Safety factor: 1:2.5
• Connection under pressure: not allowed

1500 bar/116 - UHP Couplings

• Compatibility: Cejn 116
• Occlusion: poppet
• Locking: radial balls
• Material: high resistance steel
• Finishing: Zn-Ni
• Threads: BSP - NPT
• Standard seals: special compound
• Working temperature: -35 °C +130 °C
• Working pressure: 1500 bar
• Safety factor: 1:2.5
• Test: with Helium, 100% at low and high pressure
• Connection under pressure: not allowed

STANDARD - POPPET

• Interchange: with the main producers
• Occlusion: poppet
• Locking: radial balls
• Material: steel
• Finishing: Zn-Fe (Cr III)
• Threads: BSP - NPT
• Standard seals: NBR
• Working temperature: -25 °C +100 °C
• Optional seals: FKM, FFKM, EPDM or more
• Working pressure: 100-400 bar
• Connection under pressure: not allowed