Safety Valve - 496-AP | Armstrong | Americas

Safety Valve – 496-AP

Safety Valve – 496-AP

Product Specifications

Body Material Connection Size Connection Type Allowable
Operation Range
Cast Iron 3/4″ (20 mm)
1″ (25 mm)
1-1/4″ (32 mm)
1-1/2″ (40 mm)
2″ (50 mm)
2-1/2″ (65 mm)
3″ (80 mm)
4″ (100 mm)
5″ (125 mm)
6″ (150 mm)
8″ (200 mm)
Flanged 1.3MPa @ -10 ~ 300℃,
1.3MPa @ -10 ~ 200℃,
1.3MPa @ -10 ~ 249℃,
1.6MPa @ -10 ~ 120℃
Ductile Iron 3/4″ (20 mm)
1″ (25 mm)
1-1/4″ (32 mm)
1-1/2″ (40 mm)
2″ (50 mm)
2-1/2″ (65 mm)
3″ (80 mm)
4″ (100 mm)
5″ (125 mm)
6″ (150 mm)
8″ (200 mm)
Flanged 2.4MPa @ -10 ~ 350℃,
2.8MPa @ -10 ~ 351℃,
3.2MPa @ -10 ~ 351℃,
3.5MPa @ -10 ~ 200℃,
4.0MPa @ -10 ~ 120℃
Cast Steel 3/4″ (20 mm)
1″ (25 mm)
1-1/4″ (32 mm)
1-1/2″ (40 mm)
2″ (50 mm)
2-1/2″ (65 mm)
3″ (80 mm)
4″ (100 mm)
5″ (125 mm)
6″ (150 mm)
8″ (200 mm)
Flanged 2.0MPa @ -10 ~ 450℃,
2.1MPa @ -10 ~ 400℃,
2.4MPa @ -10 ~ 350℃,
2.8MPa @ -10 ~ 300℃,
3.2MPa @ -10 ~ 250℃,
3.5MPa @ -10 ~ 200℃,
4.0MPa @ -10 ~ 120℃
Stainless Steel 3/4″ (20 mm)
1″ (25 mm)
1-1/4″ (32 mm)
1-1/2″ (40 mm)
2″ (50 mm)
2-1/2″ (65 mm)
3″ (80 mm)
4″ (100 mm)
5″ (125 mm)
6″ (150 mm)
8″ (200 mm)
Flanged 2.9MPa @ -60 ~ 400℃,
3.2MPa @ -60 ~ 300℃,
3.4MPa @ -60 ~ 200℃,
4.0MPa @ -60 ~ 120℃

Safety Valve – 496-AP

The 496-AP Series full lift safety valve is an automatic pressure relief device activated by the static pressure present at the inlet and outlet of the safety valve.

The product is recommended for use in saturated steam applications.

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