Product Details

1. High Strength

Max working pressure: 15000psi (this type is not in the list below, need reservation)

2. API Standard

This product is designed and manufactured in accordance with the petroleum and natural gas industry standard of People’s Republic of China Drilling Tool Check Valve (SY/T 5215-2005) and API7-1 standard.

3. Excellent Cost Performance

As an original manufacturer, we are sure that we can supply the tool you need in most reasonable price.

Major technical parameters and dimensions:

Model	Bore mm	Joint spec.	Upper thread	Lower thread	Model of float valve core
Model	Bore mm	Joint spec.	Upper thread	Lower thread	Type A	Type B
FZF121/70-NC38×NC38	38.1	121×610	NC38	NC38	3F	1F-2R
FZF121/70-NC38×3 ¹/₂ in. REC	38.1	121×610	NC38	3 ¹/₂ in. REG	3F	1F-2R
FZF165/70-NC46×4 ¹/₂ in. REC	65	165×610	NC46	5 ¹/₂ in. REG	4R	3 1/2 in. IF
FZF165/70-NC50×4 ¹/₂ in. REC	65	165×610	NC50	4 ¹/₂ in. REG
FZF165/70-NC50×NC50	71.4	165×610	NC50	NC50
FZF178/70-NC50×NC50	71.4	178×610	NC50	NC50
FZF203/70-6 ⁵/₈ in. REC×6 ⁵/₈ in. REC	71.4	203×915	6 ⁵/₈ in. REC	6 ⁵/₈ in. REC	5F-6R
FZF203/70-7 ⁵/₈ in. REC×6 ⁵/₈ in. REC	71.4	203×915	7 ⁵/₈ in. REC	6 ⁵/₈ in. REC	5F-6R