Ansul 440930 — SENTRY High-Flow model HF-PK20, a 20 lb stored-pressure Purple-K dry chemical hand portable fire extinguisher.
High-Flow describes discharge rate, not a larger extinguisher. NFPA 10 Section 5.5.4 addresses pressurized flammable liquid and gas fires, three-dimensional or gravity fed, and calls for large dry chemical units discharging at 1 lb/sec or more. The HF-PK20 answers that with a 1.19 lb/sec (0.54 kg/sec) agent flow at 240 psi (16.6 bar). Purple-K is a potassium bicarbonate agent, the fastest ANSUL dry chemical for knocking down Class B fires and non-conductive for Class C conditions.
- Agent 20 lb (9.07 kg) Purple-K; UL/ULC rating 60-B:C
- Maximum effective range 35 ft (10.7 m), discharge time 18.2 s
- Charged weight 32 lb 2 oz (14.60 kg)
- 22-1/2" H × 9-1/2" W × 7-7/32" D (572 × 241 × 183 mm)
- –65° to 120° F; hydrotest every 12 years
- Standard bracket 30937; DOT and USCG approved with proper bracket
Do not swap it for the standard SENTRY PK20, part 429011: same 20 lb of Purple-K but rated 120-B:C at 22 ft and 30 s. Nearby: 440935 (HF-PK10S) and 440940 (HF-AA20-1, ABC agent).