Less than 50 μm

50 μm to 99 μm

100 μm to 249 μm

250 μm to 499 μm

500 μm or greater

Not Rated

1"

1 1/2"

2"

2 1/4"

2 3/8"

2 7/16"

2 1/2"

2 5/8"

2 3/4"

2 7/8"

3 1/32"

3 1/16"

3 11/16"

4 1/2"

4 5/8"

4 21/32"

7 3/4"

1

1 1/4

1 1/2

2

Less than 25 gpm

25 gpm to 49.9 gpm

50 gpm to 99.9 gpm

100 gpm to 249.9 gpm

250 gpm or greater

Not Rated

Less than 100° F

100° F to 199° F

200° F to 249° F

250° F to 499° F

500° F or greater

Not Rated

Aluminum

Iron

Plastic

Stainless Steel

Steel

Zinc

3 1/4"

3 3/4"

4 7/8"

6 1/2"

9 3/4"

9 3/4" to 10"

9 7/8"

10"

10 1/4"

10 5/8"

11 3/4"

14"

17 1/2"

18"

19 1/2"

19 1/2" to 20"

20"

21.9"

29 1/4"

29 1/4" to 30"

30 3/4"

36"

39" to 40"

1"

1 1/4"

2 3/8"

2 3/4"

4 3/8"

Less than 100 psi

100 psi to 199 psi

200 psi to 249 psi

250 psi to 999 psi

1,000 psi or greater

Not Rated

2A994

2B999

EAR99

Compliant

Not Compliant

Exempt

Polypropylene

Stainless Steel

Steel

One Open and One Closed

One Open with O-Ring and One Closed

One Open with O-Ring End Cap and One Closed

One Open with O-Ring End Cap and One Closed with Fin

Open on Both Ends

BSPP

BSPT

NH/NST

NPT

UN/UNF (SAE Straight)

UNF

Compliant

Not Compliant

0.3 gpm

0.6 gpm

0.8 gpm

1.5 gpm

4 gpm

5 gpm

10 gpm

304 Stainless Steel

Bronze

Fiberglass

Gel

Paper