API Check Valve

Name: API Check Valve
Brand: Euro Flow Control
SKU: EFC-6
Availability: InStock

Debug · supplier source (internal only)

Supplier product page ↗EFC datasheet PDF ↗supplier: fbk · ref: 6

Specifications

Confirmed at quote

Size Range: NPS 2"-NPS 24"
Pressure Class: CLASS 150LB/CLASS 2500LB
Standards: API 6D, BS 1868, ASME B16.5, ASME B16.47, B16.11, B16.25, ASME B16.10, API 598
End connection: Flanged, conform to ASME B16.5, ASME B16.47, B16.11, B16.25
Face-to-face: ASME B16.10

Available pressure classes

Pressure classes this product is rated to.

Class 150 Class 300 Class 600 Class 900 Class 1500

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

All available material options per part. Click a pill to set it in the configurator.

body
bonnet
disc
seat
gasket
bolt
disc nut
fork
hinge
lifting eye
nameplate
nut
pin

Dimensions per size(46 sizes)

Size	d	D	D1	D2	b	f	n_d	L	H	Weight
NPS 2" / 150LB	51 mm	152 mm	120.5 mm	92 mm	16 mm	1.6 mm	4-ø19 mm	203 mm	143 mm	—
NPS 2.5" / 150LB	64 mm	178 mm	139.5 mm	105 mm	18 mm	1.6 mm	4-ø19 mm	216 mm	158 mm	—
NPS 3" / 150LB	76 mm	190 mm	152.5 mm	127 mm	19 mm	1.6 mm	4-ø19 mm	241 mm	173 mm	—
NPS 4" / 150LB	102 mm	229 mm	190.5 mm	157 mm	24 mm	1.6 mm	8-ø19 mm	292 mm	211 mm	—
NPS 6" / 150LB	152 mm	279 mm	241.5 mm	216 mm	26 mm	1.6 mm	8-ø22 mm	356 mm	314 mm	—
NPS 8" / 150LB	203 mm	343 mm	298.5 mm	270 mm	29 mm	1.6 mm	8-ø22 mm	495 mm	356 mm	—
NPS 10" / 150LB	254 mm	406 mm	362 mm	324 mm	31 mm	1.6 mm	12-ø25 mm	622 mm	435 mm	—
NPS 12" / 150LB	305 mm	483 mm	432 mm	381 mm	32 mm	1.6 mm	12-ø25 mm	698 mm	496 mm	—
NPS 14" / 150LB	337 mm	533 mm	476 mm	413 mm	35 mm	1.6 mm	12-ø29 mm	787 mm	571 mm	—
NPS 16" / 150LB	387 mm	597 mm	540 mm	470 mm	37 mm	1.6 mm	16-ø29 mm	864 mm	619 mm	—
NPS 18" / 150LB	438 mm	635 mm	578 mm	533 mm	40 mm	1.6 mm	16-ø32 mm	978 mm	677 mm	—
NPS 20" / 150LB	489 mm	699 mm	635 mm	584 mm	43 mm	1.6 mm	20-ø32 mm	978 mm	727 mm	—
NPS 24" / 150LB	591 mm	813 mm	749.5 mm	693 mm	48 mm	1.6 mm	20-ø35 mm	1295 mm	813 mm	—
NPS 2" / 300LB	51 mm	165 mm	127 mm	92 mm	23 mm	1.6 mm	8-ø19 mm	267 mm	188 mm	—
NPS 3" / 300LB	76 mm	210 mm	168.5 mm	127 mm	29 mm	1.6 mm	8-ø22 mm	318 mm	215 mm	—
NPS 4" / 300LB	102 mm	254 mm	200 mm	157 mm	32 mm	1.6 mm	8-ø22 mm	356 mm	233 mm	—
NPS 6" / 300LB	152 mm	318 mm	270 mm	216 mm	37 mm	1.6 mm	12-ø22 mm	444.5 mm	333 mm	—
NPS 8" / 300LB	203 mm	381 mm	330 mm	270 mm	42 mm	1.6 mm	12-ø25 mm	533 mm	388 mm	—
NPS 10" / 300LB	254 mm	445 mm	387.5 mm	324 mm	48 mm	1.6 mm	16-ø29 mm	622 mm	460 mm	—
NPS 12" / 300LB	305 mm	521 mm	451 mm	381 mm	51 mm	1.6 mm	16-ø32 mm	711 mm	519 mm	—
NPS 14" / 300LB	337 mm	584 mm	514.5 mm	413 mm	54 mm	1.6 mm	20-ø32 mm	838 mm	585 mm	—
NPS 16" / 300LB	387 mm	648 mm	571.5 mm	470 mm	58 mm	1.6 mm	20-ø35 mm	864 mm	630 mm	—
NPS 18" / 300LB	432 mm	711 mm	628.5 mm	533 mm	61 mm	1.6 mm	24-ø35 mm	978 mm	695 mm	—
NPS 20" / 300LB	483 mm	775 mm	686 mm	584 mm	64 mm	1.6 mm	24-ø35 mm	1016 mm	750 mm	—
NPS 24" / 300LB	584 mm	914 mm	813 mm	693 mm	70 mm	1.6 mm	24-ø41 mm	1346 mm	840 mm	—
NPS 2" / 600LB	51 mm	165 mm	127 mm	92 mm	26 mm	6.4 mm	8-ø19 mm	292 mm	215 mm	—
NPS 3" / 600LB	76 mm	210 mm	168 mm	127 mm	32 mm	6.4 mm	8-ø22 mm	356 mm	265 mm	—
NPS 4" / 600LB	102 mm	273 mm	216 mm	157 mm	38 mm	6.4 mm	8-ø25 mm	432 mm	310 mm	—
NPS 6" / 600LB	152 mm	356 mm	292 mm	216 mm	48 mm	6.4 mm	12-ø29 mm	559 mm	369 mm	—
NPS 8" / 600LB	200 mm	419 mm	349 mm	270 mm	56 mm	6.4 mm	12-ø32 mm	660 mm	446 mm	—
NPS 10" / 600LB	248 mm	508 mm	432 mm	324 mm	64 mm	6.4 mm	16-ø35 mm	787 mm	554 mm	—
NPS 12" / 600LB	298 mm	559 mm	489 mm	381 mm	67 mm	6.4 mm	20-ø35 mm	838 mm	580 mm	—
NPS 14" / 600LB	327 mm	603 mm	527 mm	413 mm	70 mm	6.4 mm	20-ø38 mm	889 mm	630 mm	—
NPS 16" / 600LB	375 mm	686 mm	603 mm	470 mm	77 mm	6.4 mm	20-ø41 mm	991 mm	690 mm	—
NPS 18" / 600LB	419 mm	743 mm	654 mm	533 mm	83 mm	6.4 mm	20-ø44 mm	1092 mm	810 mm	—
NPS 20" / 600LB	464 mm	813 mm	724 mm	584 mm	89 mm	6.4 mm	24-ø44 mm	1194 mm	930 mm	—
NPS 24" / 600LB	559 mm	940 mm	838 mm	693 mm	102 mm	6.4 mm	24-ø52 mm	1397 mm	1052 mm	—
NPS 2" / 900LB	47 mm	216 mm	165 mm	92 mm	38.5 mm	6.4 mm	8-ø26 mm	368 mm	285 mm	—
NPS 3" / 900LB	73 mm	241 mm	190.5 mm	127 mm	38.5 mm	6.4 mm	8-ø26 mm	381 mm	315 mm	—
NPS 4" / 900LB	98 mm	292 mm	235 mm	157 mm	44.5 mm	6.4 mm	8-ø32 mm	457 mm	354 mm	—
NPS 6" / 900LB	146 mm	381 mm	317.5 mm	216 mm	56 mm	6.4 mm	12-ø32 mm	610 mm	420 mm	—
NPS 8" / 900LB	190 mm	470 mm	393.5 mm	270 mm	63.5 mm	6.4 mm	12-ø38 mm	737 mm	485 mm	—
NPS 10" / 900LB	238 mm	546 mm	470 mm	324 mm	70 mm	6.4 mm	16-ø38 mm	838 mm	560 mm	—
NPS 12" / 900LB	282 mm	610 mm	533.5 mm	381 mm	79.5 mm	6.4 mm	20-ø38 mm	965 mm	630 mm	—
NPS 14" / 900LB	311 mm	641 mm	559 mm	413 mm	86 mm	6.4 mm	20-ø41 mm	1029 mm	695 mm	—
NPS 16" / 900LB	356 mm	705 mm	616 mm	470 mm	89 mm	6.4 mm	20-ø44 mm	1130 mm	758 mm	—

Approvals

DNV approval

Features

Swing check valve design
Cast steel construction
Multiple trim material options including 13CR and Stellite seat overlays
Flanged end connections to ASME B16.5 and B16.47
Butt-weld end connections to ASME B16.25
Socket weld / threaded ends to ASME B16.11
Swing check valve with bolted cover/bonnet secured by multiple stud bolts and nuts
Raised face flanged ends

Notes

Diagram: Sectional cross-section and external dimensional drawing of a flanged swing check valve; left half shows product photograph, right half shows internal cross-section with part call-out numbers 1–15 and external dimension reference lines for L, H, D, b, f

Description

Cast steel swing check valve available in NPS 2" to 48" across pressure classes 150LB to 2500LB. Body materials include carbon steel, low-temperature carbon steel, chrome-moly alloys, and austenitic stainless steels. Designed and manufactured to API 6D and BS 1868 with flanged end connections per ASME B16.5 and B16.47.