2HP Liquid Pump
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Description
Haskel Model DSTV-122 2HP Air-Driven Liquid Pump
Catalog literature: Liquid Pump Catalog.pdf
With a nominal ratio of 122:1, the Haskel model DSTV-122 2HP air-driven liquid pump utilizes a double air head to boost liquid pressures to a maximum of 15,000 PSIG.
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 modification 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 meet ATEX, CE and NACE
Technical Data:
- Power: 2HP
- Air Head: double
- Max Air Pressure: 150 PSIG
- Max cycles: 80/min.
- Nominal ratio (“dash number”): 122:1
- Actual area ratio: 138:1
- Max outlet pressure (continuous): 15,000 PSIG
- Max outlet pressure (intermittent): 19,000 PSIG
- Displacement / cycle: 0.67 cu. in.
- Max flow: 201 cu. in./min.
Typical Performance Characteristics (@100 PSIG air supply pressure):
- 122 in3/min @ 4000 psig
- 40.2 in3/min @ 12,000 psig
Materials of Construction:
- Pump section: Separation – all SS
- Plunger: 440C SS hard chrome-plated
- Non-metallics: PTFE, Viton
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: Petroleum-based solvents / aromatic hydrocarbons (e.g. benzene, toluene, xylene, hylene, etc.); chlorinated solvents (trichloroethylene, carbon tetrachloride, chlorobenzene, etc.); mercaptans; Dowtherm A; fluorinated solvents (fluorobenzene, fluorochloroethylene, etc.); Dowtherm E; plus all of Group 3 and some mildly corrosive acids compatible with wetted materials.
- Service Code 5: Skydrol and Aerosafe hydraulic fluid; acetone and some alcohols (ethyl, methyl, and isopropyl).
- Service Code 6: N/R
Repair kit information:
- Fluid section seal kit P/N: 17993-122
- Air drive seal kit P/N: 28611
- Air valve seal kit P/N: 16771
- Distance piece kit P/N: 17327
- Optional tools: 28584 (Sleeve removal tool); 29370 (for installing ring on 1/2″ check valve)
- Notes: Seal installation tool is included in fluid section kit.
- Installation documents: SKIS-001 SKIS-002