Haskel DGF-35 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: 6HP
- Air Head: single
- Max Air Pressure: 125 psi
- Max cycles: 40/min.
- Nominal ratio (“dash number”): 35:1
- Actual area ratio: 40.3:1
- Max outlet pressure (continuous): 4375 psi
- Max outlet pressure (intermittent): 4375 psi
- Displacement / cycle: 6.00 cu.in.
- Max flow: 1890 cu.in. / min.
- Air inlet connection: 3/4″
- Liquid inlet connection: 1-1/4″ FNPT
- Liquid outlet connection: 1/2″ FNPT
Typical Performance Characteristics (@100 PSIG air supply pressure):
- 1770 in3/min @ 1000 psig
- 600 in3/min @ 3500 psig
Materials of Construction:
- Pump section: Separation – Nickel-plated Steel & SS
- Plunger: Hard chrome-plated 15-5PH SS
- Non-metallics: UHMWPE, Viton, PTFE, Ryton
Applications:
- Service Code 1: Petroleum-based oils, kerosene, ethylene glycol, water with 5% soluble oil.
- Service Code 2: N/R
- 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: N/R
Haskel DGF-35 Liquid Pump Repair kit information:
- Fluid section seal kit P/N: 29669-35
- Air drive seal kit P/N: 53625
- Air valve seal kit P/N: 50881-2
- Distance piece seal kit P/N: N/A
- Optional tools: 28584 (Sleeve removal tool)
- Notes: None.
Optional Modifications:
- 29125: External pilot modification.
- 54030: Sour gas air drive provision to NACE spec.
- 54936: Exhaust/pilot vent combiner.
- 57002: Viton seals – air drive only.
- 59888: Cycle timer installed.
- 87410: Low air pressure control.
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
