Haskel DSF-52 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”): 52:1
- Actual area ratio: 57:1
- Max outlet pressure (continuous): 5000 psi
- Max outlet pressure (intermittent): 8000 psi
- Displacement / cycle: 1.62 cu.in.
- Max flow: 488 cu.in. / min.
- Air inlet connection: 1/2″ FNPT
- Liquid inlet connection: 1/2″ FNPT
- Liquid outlet connection: 1/2″ FNPT
Typical Performance Characteristics (@100 PSIG air supply pressure):
- 299 in3/min @ 1900 psig
- 98 in3/min @ 5000 psig
Materials of Construction:
- Pump section: Separation – all SS
- Plunger: 440C SS hard chrome-plated
- Non-metallics: UHMWPE, Viton, PTFE, Ryton
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: Most phosphate ester-based fire-resistant hydraulic fluids (e.g. Pydraul, Lindol, Cellulube, Fyrquel and Houghtosafe 1120) and petroleum-based solvents compatible with UHMWPE (Ultra-high Molecular Weight Polyethylene) dynamic seals and Viton static seals.
- Service Code 4: N/R
- Service Code 5: Skydrol and Aerosafe hydraulic fluid; acetone and some alcohols (ethyl, methyl, and isopropyl).
- Service Code 6: De-ionized water; de-mineralized water
Haskel DSF-52 Liquid Pump Repair kit information:
- Fluid section seal kit P/N: 51533-52
- 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); 53220-25 (Seal insertion tool, “F” seal); 29370 (for installing ring on 1/2″ check valve); T-17386-52 S (to align distance piece spacer with piston rod)
- 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.
