Discharge Accessories
Primary Pressure Control Unloaders, Trapped Pressure • Typically used with trigger gun applications. • Reduces load on pump and motor when in bypass. • Easily converted into a relief valve. • All trapped pressure unloaders can be configured as a relief valve. BRASS MODELS MODEL FLOW RANGE PRESSURE RANGE
PORTS
7694
GPM LPM
PSI
BAR
INLET/DISCHARGE
BYPASS
7500S
0.5–6.0 1.9–23 100–2000 0.5–6.6 1.9–25 232–2320 0.5–8.0 1.9–30 100–1000 0.5–8.0 1.9–30 250–2000 0.5–8.0 1.9–30 319–3190 2.0–5.0 8–19 700–3500 2.0–10.5 7.6–40 507–5076 2.5–10.5 9.5–40 232–2320 2.5–10.5 9.5–40 406–4060 1.0–21 3.8–80 406–2320 1.0–21 3.8–80 406–4060 10–52.8 38–200 218–2175 10–52.8 38–200 450–2500 10–52.8 38–200 406–4060 50–120 190–456 290–2900
6.9–138 16–160 6.9–69 18–138 22–220 6.9–241
3/8" NPT(M) 3/8" NPT(M) 3/8" NPT(M) 3/8" NPT(M)
3/8" NPT(F) 3/8" NPT(F) 3/8" NPT(F) 3/8" NPT(F) 3/8" BSP(F) 3/8" NPT(F) 1/2" BSPP(F) 3/8" NPT(F) 3/8" NPT(F) 1/2" NPT(F) 1/2" NPT(F) 1" NPT(F) 1" NPT(F) 1" BSPP(F) 11/2" BSPP(F)
7581 7582 7583 7620
3/8" BSP(M)/BSP(F)
7501
7600S
3/8" NPT(M)
7630 7693 7694 7537 7542 7590 7592 7593 9950
35–350 3/8" BSPP(M)/BSPP(F)
16–158 28–280 28–160 28–280 15–150 31–172 28–280 20–200
3/8" NPT(F) 3/8" NPT(F) 1/2" NPT(F) 1/2" NPT(F) 1" NPT(F) 1" NPT(F) 1" BSPP(F)
7537
TECH TIP Regulating Unloader to Relief Valve Conversion Pressure-Sensitive Regulating Unloaders are typically used as a primary pressure regulating device. They can be converted to a Relief Valve to be used as a secondary pressure relief device by removing the discharge check valve, O-ring and spring.
11/4" BSPP(F)
BRASS, MODULAR, BUILT-IN BYPASS, 3CP, 5CP AND 66 DX SERIES Pressure-Sensitive MODEL FLOW RANGE PRESSURE RANGE
PORTS
GPM LPM
PSI
BAR
INLET/DISCHARGE
MODELS 3CP, 5CP
7850* 7860 7861 7865 7866 7867
0.5–6.0 1.9–23 100–4000 6.9–276 1/2" NPT(F)/ 3/8" NPT(M) 3.0–5.0 11.4–19.0 700–4000 50–276 1/2" NPT(F)/ 3/8" NPT(M) 3.0–5.0 11.4–19.0 700–4000 50–276 1/2" NPT(F)/ 3/8" NPT(M)
66DX Series 66DX40DSG1
0.5–6.0 1.9–23 100–4000 6.9–276 1/2" NPT(F)/ 3/8" NPT(M) 5CP4116–5CP4120CSS 0.5–6.0 1.9–23 100–4000 6.9–276 1/2" NPT(F)/ 3/8" NPT(M) 5CP4110–5CP4114CSS 0.5–6.0 1.9–23 100–4000 6.9–276 1/2" NPT(F)/ 3/8" NPT(M) 5CP4110–5CP4120CSS
EXAMPLE: Unloader PN
Modifications
* This unloader will not work on models 5CP4120, 5CP6120, 5CP6180CSS and 5CP6190 pumps.
Remove parts 441, 443, 444
7537
STAINLESS STEEL MODELS MODEL FLOW RANGE
Converted Relief Valve PNs
PRESSURE RANGE
PORTS
GPM LPM
PSI
BAR
INLET/DISCHARGE
BYPASS
7537.100 (NBR Seals) 7537.1110 (FPM Seals)
7501** 9970* 7531* 7533* 7536*
0.5–6.0 1.9–23 100–2000
6.9–138
3/8" NPT(M) 1/2" BSPP(G) 1/2" NPT(F) 1/2" NPT(F) 1/2" NPT(F)
3/8" NPT(F) 1/2" BSPP(G) 1/2" NPT(F) 1/2" NPT(F) 1/2" NPT(F)
0–15.9 0–60 1160–11600 80–800
1.0–21 3.8–80 218–2175 1.0–21 3.8–80 406–4060 1.0–21 3.8–80 580–5800
15–150 28–280 40–400
440
Inlet
Bypass
* 304 Stainless Steel ** 316 Stainless Steel
Inlet
441
446
460
443
444
Remove
Discharge
For more information, contact us at (763)780-5440 | info@catpumps.com | www.catpumps.com
Pumps & Accessories Catalog 2024
25
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