Flange Insert Valve Style - F1, F6, FP

Member of the Insert Series

Click To Enlarge Click To Enlarge Click To Enlarge Click To Enlarge

×

Flange Insert (F1, F6, FP)

×

Flange Insert (F1, F6, FP)

×

Flange Insert (F1, F6, FP)

×

Flange Insert (F1, F6, FP)

Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required is two gaskets in place of the one normally used in a flanged joint. See additional installation guidelines or consult the factory for more information.

Flange Insert valves are designed to fit between two mating ANSI flanges. The “Spring Housing” designated by the “A” dimension (See:  Size & Dimension table below) is designed to be inserted into the upstream pipe, thereby centering it in the pipe. Therefore, there must be clearance between the spring housing and the pipe or flange. Generally speaking, the FIV Class 150 and 300 valves (F1) are designed for standard schedule pipe or Class 150 or 300 flanges, and the FIV Class 600 (F6) valves are designed for schedule 80 pipe or Class 600 flanges.

Flange Insert valves can be used as check valves, low pressure relief valves, and vacuum breakers by simply using the desired spring settings. Many valves in this series can be supplied with B16.34 certification.

Check "A" dimension for clearance with pipe ID. Generally "A" dimension is designed for use in standard schedule 40 pipe for class 150 & 300 valves (F1). Order class 600 (F6) valves for schedule 80 pipe.

NOTES (DIMENSIONS TABLE)
*Maximum nominal dimension for a fully open valve with no spring. Consult factory for more information.

**Due to molding process, orifice in plastic valves may vary.

***F6 size "D" does not have a spring housing.

View F1, F6, FP Dimensions in PDF format

Nominal Size Size Code ANSI Rating
&
 Material
A B C D* O.D. Orifice Diameter.**
1/2 D 150 & 300
600
PTFE & PVC
0.605
N/A***
0.600
1/4 0.29
N/A***
0.27
0.55
0.53
0.68
1-3/8 0.348
3/4 F 150 & 300
600
PTFE & PVC
0.762
0.719
0.720
1/4 0.26
0.24
0.26
0.63
0.62
0.77
1-3/4 0.464
1 H 150 & 300
600
PTFE & PVC
1.000
0.922
0.930
1/4 0.36
0.33
0.36
0.81
0.80
0.81
2 0.593
1-1/4 I 150 & 300
600
PTFE & PVC
1.340
1.234
1.240
1/4 0.44
0.39
0.59
0.88
0.87
0.99
2-1/2 0.890
1-1/2 J 150 & 300
600
PTFE & PVC
1.570
1.490
1.490
1/4 0.44
0.40
0.69
1.04
1.03
1.11
2-7/8 1.135
2 K 150 & 300
600
PTFE & PVC
2.005
1.890
1.890
1/4 0.49
0.43
0.52
1.21
1.21
0.93
3-5/8 1.385
2-1/2 L 150 & 300
600
2.407
2.266
1/4 0.66
0.59
1.45
1.45
4-1/8 1.555
3 M 150 & 300
600
PTFE & PVC
3.006
2.844
2.865
5/16 0.70
0.65
0.73
1.63
1.62
1.62
5 2.025
4 N 150 & 300
600
PTFE & PVC
3.964
3.766
3.766
3/8 1.00
0.96
1.00
1.93
1.93
2.04
6-3/16 2.560
Sizes 5" and larger are only available in class 150.
Consult the factory if using Schedule 80 pipe.
5 O 150  4.985 1/2 1.07 2.14 7-5/16 3.280
6 P 150 
PTFE & PVC
6.003
5.700
3/8
9/16
1.52
1.55
2.22
2.78
8-1/2 3.875
8 Q 150  7.919 1/2 2.27 3.14 10-5/8 5.110
10 R 150  9.958 1/2 2.84 3.58 12-3/4 6.380
12 S 150 Brass
Other Metals 
11.876
5/8
1/2
3.12
3.25
4.33
4.18
15 7.670
14 T 150 Brass
Other Metals 
13.062
11/16
1/2
3.18
3.37

4.58
4.45

16-1/4 8.460
16 U 150 Brass
Other Metals 
14.938
3/4 9/16

3.69
3.88

5.20
5.05
18-1/2 9.650
18 V 150 Brass
Other Metals  
16.814 7/8
5/8
3.87
4.12
5.80
5.63
21 10.860
20 W 150 Brass
Other Metals 
18.750 15/16
11/16
3.88
4.13
6.54
6.26
23 12.110
  • 316 Stainless Steel (SS)
  • PVC (PV)
  • Alloy 20 (A2)
  • Alloy B (HB)
  • Brass (BR)
  • Alloy C-276 (HC)
  • Carbon Steel (CS)
  • Alloy 400 or MONEL® (MO)
  • PTFE (TF)
  • Titanium (TI)
  • Body Material Nominal Pipe Size Non-Shock Pressure-Temperature Rating
    ANSI Class 150 ANSI Class 300 ANSI Class 600
    316 Stainless Steel (SS)
    Carbon Steel (CS)
    Alloy 20 (A2)
    Alloy C-276 (HC)
    Alloy B (HB)
    Alloy 400 or MONEL®(MO)
    Titanium (TI)
    1/2" - 4" X X X
           
    5" - 20" X
       
    Brass (BR) 1/2" - 4" X X  
    5" - 20" X    
    PTFE (TF) 1/2" - 1-1/2"   55 PSIG @ 100 °F
    2" - 6"   20 PSIG @ 100 °F
    PVC (PV) 1/2" - 6" 200 PSIG @ 100 °F

    Seat material and spring material selection may limit the recommended service temperature.
    See seat ratings, spring ratings, and body material ratings for their respective recommended service temperatures.
    Consult the factory for reduced P-T rating above 100 °F. Standard spring material is 316 Stainless Steel.

    Size Cv
    1/2 2.4
    3/4 4.4
    1 6.1
    1-1/4 12.7
    1-1/2 18.8
    2 32.0
    2-1/2 42.5
    3 89.0
    4 144
    5 182
    6 284
    8 535
    10 757
    12 1200
    14 1650
    16 2230
    18 3010
    20 4000

    P
    R
    E
    S
    S
    U
    R
    E

    D
    R
    O
    P

    P
    S
    I

    FOR WATER AT 72°F

    WATER FLOWRATE - GPM

    Note: All flow curves and Cv values presume the valves are fully open with 1/2 PSI cracking pressure springs. Consult the factory for more information.

    SIZE SS, CS & Alloys BRASS PTFE PVC
    1/2 1.7 oz. 1.9 oz. 0.5 oz. 0.3 oz.
    3/4 2.9 oz. 3.2 oz. 0.8 oz. 0.5 oz.
    1 4.2 oz. 4.6 oz. 1.1 oz. 0.7 oz.
    1-1/4 7.0 oz. 7.4 oz. 1.9 oz. 1.4 oz.
    1-1/2 9.5 oz. 9.8 oz. 2.6 oz. 1.7 oz.
    2 16.3 oz. 17.3 oz. 3.8 oz. 2.6 oz.
    2-1/2 1.4 lb. 1.5 lb. --- ---
    3 2.3 lb. 2.6 lb. 9.6 oz. 6.1 oz.
    4 4.9 lb. 5.3 lb. 1.2 lb. 12.7 oz.
    5 8.2 lb. 8.7 lb. --- ---
    6 12.3 lb. 13. lb. 1.8 lb. 1.2 lb.
    8 24.4 lb. 26.4 lb. --- ---
    10 36.3 lb. 44 lb. --- ---
    12 51 lb. 58 lb. --- ---
    14 74 lb. 93 lb. --- ---
    16 105 lb. 130 lb. --- ---
    18 157 lb. 201 lb. --- ---
    20 207 lb. 262 lb. --- ---
    Valve weights are approximate.
    Valve Style Size Range Body Materials Other Options Allowable Seat Materials Other Options Standard Cracking Pressures Other Options More Info. Standard Spring Material More Info.
    FIV 1/2" - 1-1/2" PTFE
    PVC
    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    Viton®
    1/8 PSI
    1/2 PSI
    1.5 PSI
    3.5 PSI
    316 SS
    FIV 2" - 4" PTFE
    PVC
    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    Viton®
    1/8 PSI
    1/2 PSI
    1.5 PSI
    316 SS
    FIV 6" PTFE
    PVC
    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    Viton®
    1/2 PSI 316 SS
    FIV 1/2" - 1-1/2" 316 SS
    Brass
    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/8 PSI
    1/2 PSI
    1.5 PSI
    3.5 PSI
    316 SS
    FIV 1/2" - 1-1/2" C. Steel AFLAS®
    Buna-N
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/8 PSI
    1/2 PSI
    1.5 PSI
    3.5 PSI
    316 SS
    FIV 2" - 4" 316SS
    Brass
    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/8 PSI
    1/2 PSI
    1.5 PSI
    316 SS
    FIV 2" - 4" C. Steel AFLAS®
    Buna-N
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/8 PSI
    1/2 PSI
    1.5 PSI
    316 SS
    FIV 5" - 20" 316SS
    Brass
    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/2 PSI 316 SS
    FIV 5" - 20" C. Steel AFLAS®
    Buna-N
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/2 PSI 316 SS
    FIV 1/2" - 20" Alloy 20
    Alloy C-276
    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/2 PSI Alloy C-276
    FIV 1/2" - 20"

    Alloy 400
    MONEL®

    AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/2 PSI

    Alloy 400
    MONEL®

    FIV 1/2" - 20" Alloy B AFLAS®
    Buna-N
    EPDM
    Kalrez®
    "Metal to Metal"
    Neoprene
    PTFE
    Viton®
    1/2 PSI Alloy B

    About UsTrademarksPrivacy PolicyTerms of UseContact Us

    ©2016 Check-All Valve Mfg., Co. All Rights Reserved