Haskel DHF-202 Liquid Pump

Haskel DHF-202 Liquid Pump

Features & Benefits:

• Safe pneumatic operation – no heat, flame or spark risk
• Infinitely variable cycling speed
• Stall at pre-determined pressure to hold that pressure without consuming power
• Problem-free stop/start applications
• Easily automated – many modifications and control options
• Suitable for most liquids and liquefied gases
• Alternative gas drive options available, such as sour gas, natural gas, boil off gases, or nitrogen
• Robust, reliable, compact and easy to maintain proven design
• No need for air line lubrication – saves costs and prevents contamination
• Unbalanced cycling spool provides immediate response to pressure changes
• Can be manufactured to ATEX, CE and NACE

Technical Data:

• Power: 2HP
• Air Head: double
• Max Air Pressure: 150 psi
• Max cycles: 80/min.
• Nominal ratio (“dash number”): 202:1
• Actual area ratio: 230:1
• Max outlet pressure (continuous): 30000 psi
• Max outlet pressure (intermittent): 33000 psi
• Displacement / cycle: 0.41 cu.in.
• Max flow: 92 cu.in. / min.
• Air inlet connection: 1/2″ FNPT
• Liquid inlet connection: 1/2″ FNPT
• Liquid outlet connection: 1/4″ HP

Typical Performance Characteristics (@100 PSIG air supply pressure):

• 91.5 in3/min @ 7000 psig
• 20.1 in3/min @ 20,000 psig

Materials of Construction:

• Pump section: 300 series and 17-4PH SS
• Plunger: Stellite 6B
• Non-metallics: PTFE, Buna, UHMWPE

Applications:

• Service Code 1: Petroleum-based oils, kerosene, ethylene glycol, water with 5% soluble oil.
• Service Code 2: Plain water, diesel fuel
• Service Code 3: N/R
• Service Code 4: N/R
• Service Code 5: N/R
• Service Code 6: N/R

Haskel DHF-202 Liquid Pump Repair kit information:

• Fluid section seal kit P/N: 51532-202
• Air drive seal kit P/N: 28611
• Air valve seal kit P/N: 16771
• Distance piece seal kit P/N: 17327
• Optional tools: 28584 (Sleeve removal tool); 53220-100 (Seal insertion tool, “F” seal)
• Notes: Seal installation tool is included in fluid section kit.

Optional Modifications:

• 16821: Assures reliable drive operation with pressures as low as 3 psi as long as 20 psi or more is provided to the separate 1/8″ NPT port.
• 16831: Low temperature modification. For special sealing in air drive for operating temperatures as low as -20°F up to normal +120°F.
• 16834: Exhaust adapter. With back pressure balance piston.
• 29376: Three-way cycling spool. For 1.5HP and 2HP single-acting pumps.
• 51050: Extreme service cycling modification. Not recommended for long stall periods.
• 51056: Exhaust/pilot vent combination.
• 51331: EPR static seals in wetted section. Applies to distance piece pumps only.
• 51345: Sour gas drive provision to NACE specifications. 1.5HP to 2.2HP distance piece pumps only, single air head and double air head.
• 52788: Viton seals in air drive section.
• 53925-4: Severe Arctic low temperature service. 10:1, 15:1, 22:1, 32:1 ratios.
• 54885: Rotate pump body 90° from standard.
• 54935: SS trim for 5/3 air drive.
• 55465: Ceramic plunger; 60:1 ratio only.
• 55516: Polyurethane (“W”) seal in “F” series pumps (except high output models).
• 59353: Noise reduction kit fitted. Not available on AFD, DFD, ASFD, or DSFD.
• 59888: Cycle timer installed.
• 82460: HNBR seals in air drive section.

To add any modifications to this pump or for assistance in selecting the right pump for your application, please contact our Sales Department for assistance.

 Product Catalog: Haskel Liquid Pumps

Installation documents: SKIS-001  SKIS-002  SKIS-005  SKIS-014