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FUSIBLE DEVICES

     
CUTOFF VALVES
Model
Part No.
Description, Features, and Service Application
15RS40
BLOCK & BLEED, 1/2" FEMALE NPT, 158 DEG F, 250 PSI MAX
153190-001
BLOCK & BLEED, 1/2" FEMALE NPT, 158 DEG F, 250 PSI MAX, H2S SVC
 
152010-001
BLOCK & BLEED, 1/2" FEMALE NPT, 184 DEG F, 250 PSI MAX
153200-001
BLOCK & BLEED, 1/2" FEMALE NPT, 184 DEG F, 250 PSI MAX, H2S SVC
 
152020-001
BLOCK & BLEED, 1/2" FEMALE NPT, 203 DEG F, 250 PSI MAX
153210-001
BLOCK & BLEED, 1/2" FEMALE NPT, 203 DEG F, 250 PSI MAX, H2S SVC
 
152040-001
BLOCK & BLEED, 1/2" FEMALE NPT, 255 DEG F, 250 PSI MAX
153220-001
BLOCK & BLEED, 1/2" FEMALE NPT, 255 DEG F, 250 PSI MAX, H2S SVC
 
152050-001
BLOCK & BLEED, 1/2" FEMALE NPT, 281 DEG F, 250 PSI MAX
153230-001
BLOCK & BLEED, 1/2" FEMALE NPT, 281 DEG F, 250 PSI MAX, H2S SVC
 
15RS41
152080-001
BLOCK ONLY, 1/2" FEMALE NPT, 158 DEG F, 250 PSI MAX
153240-001
BLOCK ONLY, 1/2" FEMALE NPT, 158 DEG F, 250 PSI MAX, H2S SVC
 
155350-001
BLOCK ONLY, 1/2" FEMALE NPT, 184 DEG F, 250 PSI MAX
153250-001
BLOCK ONLY, 1/2" FEMALE NPT, 184 DEG F, 250 PSI MAX, H2S SVC
 
152090-001
BLOCK ONLY, 1/2" FEMALE NPT, 203 DEG F, 250 PSI MAX
155370-001
BLOCK ONLY, 1/2" FEMALE NPT, 203 DEG F, 250 PSI MAX, H2S SVC
 
152110-001
BLOCK ONLY, 1/2" FEMALE NPT, 255 DEG F, 250 PSI MAX
153260-001
BLOCK ONLY, 1/2" FEMALE NPT, 255 DEG F, 250 PSI MAX, H2S SVC
 
152120-001
BLOCK ONLY, 1/2" FEMALE NPT, 281 DEG F, 250 PSI MAX
153270-001
BLOCK ONLY, 1/2" FEMALE NPT, 281 DEG F, 250 PSI MAX, H2S SVC
 
FUSIBLE VALVES - 2-WAY BLEED ONLY
Model
Part No.
Description, Features, and Service Application
15RS184
151570-001
1/4" FEMALE NPT, 2-WAY NC, 184 DEG F, 300 PSI MAX, H2S SVC
151590-001
1/4" FEMALE NPT, 2-WAY NC, 281 DEG F, 300 PSI MAX, H2S SVC
 
15RS57
1/4" FEMALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX
152360-001
1/4" FEMALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX, H2S SVC
152440-001
1/4" FEMALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152290-001
1/4" FEMALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX
152370-001
1/4" FEMALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX, H2S SVC
152450-001
1/4" FEMALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152300-001
1/4" FEMALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX
152380-001
1/4" FEMALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX, H2S SVC
152460-001
1/4" FEMALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX, ARCTIC SVC
150220-001
1/4" FEMALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX, H2S & ARCTIC SVC
 
152320-001
1/4" FEMALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX
152390-001
1/4" FEMALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX, H2S SVC
152470-001
1/4" FEMALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152330-001
1/4" FEMALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX
152400-001
1/4" FEMALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX, H2S SVC
152480-001
1/4" FEMALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
15RS150
1/2" MALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX
151100-001
1/2" MALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX, H2S SVC
 
151040-001
1/2" MALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX
151110-001
1/2" MALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX, H2S SVC
 
151050-001
1/2" MALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX
151120-001
1/2" MALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX, H2S SVC
 
151070-001
1/2" MALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX
151130-001
1/2" MALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX, H2S SVC
 
151080-001
1/2" MALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX
151140-001
1/2" MALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX, H2S SVC
 
FUSIBLE VALVES - 2-WAY BLEED ONLY (POP-TOP)
Model
Part No.
Description, Features, and Service Application
15RS76
1/4" FEMALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX
152830-001
1/4" FEMALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX, H2S SVC
152900-001
1/4" FEMALE NPT, 2-WAY NC, 158 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152770-001
1/4" FEMALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX
152840-001
1/4" FEMALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX, H2S SVC
152910-001
1/4" FEMALE NPT, 2-WAY NC, 184 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152780-001
1/4" FEMALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX
152850-001
1/4" FEMALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX, H2S SVC
152920-001
1/4" FEMALE NPT, 2-WAY NC, 203 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152800-001
1/4" FEMALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX
152860-001
1/4" FEMALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX, H2S SVC
152930-001
1/4" FEMALE NPT, 2-WAY NC, 255 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152810-001
1/4" FEMALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX
152870-001
1/4" FEMALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX, H2S SVC
152940-001
1/4" FEMALE NPT, 2-WAY NC, 281 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
15RS90
1/2" FEMALE NPT, 2-WAY NC, 158 DEG F, 6,000 PSI MAX
151380-001
1/2" FEMALE NPT, 2-WAY NC, 158 DEG F, 6,000 PSI MAX, H2S SVC
151440-001
1/2" FEMALE NPT, 2-WAY NC, 158 DEG F, 6,000 PSI MAX, ARCTIC SVC
 
153130-001
1/2" FEMALE NPT, 2-WAY NC, 184 DEG F, 6,000 PSI MAX
151390-001
1/2" FEMALE NPT, 2-WAY NC, 184 DEG F, 6,000 PSI MAX, H2S SVC
151450-001
1/2" FEMALE NPT, 2-WAY NC, 184 DEG F, 6,000 PSI MAX, ARCTIC SVC
 
153140-001
1/2" FEMALE NPT, 2-WAY NC, 203 DEG F, 6,000 PSI MAX
151400-001
1/2" FEMALE NPT, 2-WAY NC, 203 DEG F, 6,000 PSI MAX, H2S SVC
151460-001
1/2" FEMALE NPT, 2-WAY NC, 203 DEG F, 6,000 PSI MAX, ARCTIC SVC
 
153150-001
1/2" FEMALE NPT, 2-WAY NC, 255 DEG F, 6,000 PSI MAX
151410-001
1/2" FEMALE NPT, 2-WAY NC, 255 DEG F, 6,000 PSI MAX, H2S SVC
151470-001
1/2" FEMALE NPT, 2-WAY NC, 255 DEG F, 6,000 PSI MAX, ARCTIC SVC
 
153160-001
1/2" FEMALE NPT, 2-WAY NC, 281 DEG F, 6,000 PSI MAX
151420-001
1/2" FEMALE NPT, 2-WAY NC, 281 DEG F, 6,000 PSI MAX, H2S SVC
151480-001
1/2" FEMALE NPT, 2-WAY NC, 281 DEG F, 6,000 PSI MAX, ARCTIC SVC
 
FUSIBLE VALVES - 3-WAY BLOCK & BLEED
Model
Part No.
Description, Features, and Service Application
15RS70
1/4" FEMALE NPT, 3-WAY NO, 158 DEG F, 10,000 PSI MAX
152620-001
1/4" FEMALE NPT, 3-WAY NO, 158 DEG F, 10,000 PSI MAX, H2S SVC
152680-001
1/4" FEMALE NPT, 3-WAY NO, 158 DEG F, 10,000 PSI MAX, ARCTIC SVC
151025-001
1/4" FEMALE NPT, 3-WAY NO, 158 DEG F, 10,000 PSI MAX, PANEL MOUNT
 
152570-001
1/4" FEMALE NPT, 3-WAY NO, 203 DEG F, 10,000 PSI MAX
152640-001
1/4" FEMALE NPT, 3-WAY NO, 203 DEG F, 10,000 PSI MAX, H2S SVC
152700-001
1/4" FEMALE NPT, 3-WAY NO, 203 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152580-001
1/4" FEMALE NPT, 3-WAY NO, 255 DEG F, 10,000 PSI MAX
152650-001
1/4" FEMALE NPT, 3-WAY NO, 255 DEG F, 10,000 PSI MAX, H2S SVC
152710-001
1/4" FEMALE NPT, 3-WAY NO, 255 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152590-001
1/4" FEMALE NPT, 3-WAY NO, 281 DEG F, 10,000 PSI MAX
152660-001
1/4" FEMALE NPT, 3-WAY NO, 281 DEG F, 10,000 PSI MAX, H2S SVC
152720-001
1/4" FEMALE NPT, 3-WAY NO, 281 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
FUSIBLE VALVES - 3-WAY BLOCK & BLEED (POP-TOP)
Model
Part No.
Description, Features, and Service Application
15RS84
1/4" FEMALE NPT, 3-WAY NO, 158 DEG F, 10,000 PSI MAX
153030-001
1/4" FEMALE NPT, 3-WAY NO, 158 DEG F, 10,000 PSI MAX, H2S SVC
151220-001
1/4" FEMALE NPT, 3-WAY NO, 158 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
152990-001
1/4" FEMALE NPT, 3-WAY NO, 203 DEG F, 10,000 PSI MAX
153050-001
1/4" FEMALE NPT, 3-WAY NO, 203 DEG F, 10,000 PSI MAX, H2S SVC
151240-001
1/4" FEMALE NPT, 3-WAY NO, 203 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
153000-001
1/4" FEMALE NPT, 3-WAY NO, 255 DEG F, 10,000 PSI MAX
153060-001
1/4" FEMALE NPT, 3-WAY NO, 255 DEG F, 10,000 PSI MAX, H2S SVC
151250-001
1/4" FEMALE NPT, 3-WAY NO, 255 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
153010-001
1/4" FEMALE NPT, 3-WAY NO, 281 DEG F, 10,000 PSI MAX
153070-001
1/4" FEMALE NPT, 3-WAY NO, 281 DEG F, 10,000 PSI MAX, H2S SVC
151260-001
1/4" FEMALE NPT, 3-WAY NO, 281 DEG F, 10,000 PSI MAX, ARCTIC SVC
 
15RS128
1/2" FEMALE NPT, 3-WAY NO, 158 DEG F, 6,000 PSI MAX
150570-001
1/2" FEMALE NPT, 3-WAY NO, 158 DEG F, 6,000 PSI MAX, H2S SVC
151280-001
1/2" FEMALE NPT, 3-WAY NO, 158 DEG F, 6,000 PSI MAX, ARCTIC SVC
 
150520-001
1/2" FEMALE NPT, 3-WAY NO, 203 DEG F, 6,000 PSI MAX
150590-001
1/2" FEMALE NPT, 3-WAY NO, 203 DEG F, 6,000 PSI MAX, H2S SVC
151300-001
1/2" FEMALE NPT, 3-WAY NO, 203 DEG F, 6,000 PSI MAX, ARCTIC SVC
 
150530-001
1/2" FEMALE NPT, 3-WAY NO, 255 DEG F, 6,000 PSI MAX
150600-001
1/2" FEMALE NPT, 3-WAY NO, 255 DEG F, 6,000 PSI MAX, H2S SVC
 
150540-001
1/2" FEMALE NPT, 3-WAY NO, 281 DEG F, 6,000 PSI MAX
150610-001
1/2" FEMALE NPT, 3-WAY NO, 281 DEG F, 6,000 PSI MAX, H2S SVC
 
Sigma Low Pressure Fusible Plugs have a maximum pressure rating of 300 PSI (20.68 Bar) and are available in 1/4", 3/8", 1/2", and 1" Male NPT connections. These 316SS Fusible Plugs have a temperature sensitive core that melts and vents pressure when the temperature rating is exceeded.
 
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