China High Quality 24° Cone Hose Fitting Factory – Hydraulic Fluid Power Connection Winner NPSM Connectors / Adapters – Winner Fluid


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China High Quality 24° Cone Hose Fitting Factory – Hydraulic Fluid Power Connection Winner NPSM Connectors / Adapters – Winner Fluid Detail:

Product Introduction

Winner brand NPSM connectors is meaning that there is NPSM female thread connect end in the connector, NPSM is American National Pipe Straight Mechanical thread, also known as ANSI/ASME B1.20.1 pipe threads.

The NPSM thread is straight pipe thread, and NPT is taper thread. NPSM female swivel connect end with 60° cone, and seal against match with NPT male with conical 60°seat, see below picture.

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NPSM thread sizes for Winner connectors include: 1/8”-27, 1/4”-18, 3/8”-18, 1/2”-14, 3/4”-14, 1”-11.5, 1.1/4”-11.5, 1.1/2”-11.5, 2”-11.5.

How to identify it is a NPSM thread and determine the thread size?

1.Visual inspection the internal thread and no taper, or use a inner caliper measure the minor diameter of the internal thread in different length position with same diameter.

2.Measure the thread diameter with an ID caliper, measured on the internal diameter, and holding it perpendicular to the thread for a more accurate female reading.

3.Measure the threads per inch (TPI) or the pitch. As the measured diameter and use relational pitch gauge, try different thread gauges until determine the tightest fit, engage as many threads as possible, there are more thread engaged, the more accurate the reading. Hold the fitting/connector and thread pitch gauge up to the light, looking for gaps between the gauge and thread, this is easier to see on a external thread fitting/connector than a internal thread fitting/connector.

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because more than one size can have similar thread dimensions. Below is the data compare between NPSM female thread vs BSP female thread, it is similar, so need careful not mix or mistaken. 

Size

NPSM female thread (60°)

BSP female thread(55°)

thread

minor
diameter

threads
per inch

thread

minor
diameter

threads
per inch

-2

1/8″x27

9.170

27

G1/8″x28

8.707

28

-4

1/4″x18

12.052

18

G1/4″x19

11.6675

19

-6

3/8″x18

15.431

18

G3/8″x19

15.1725

19

-8

1/2″x14

19.127

14

G1/2″x14

18.9015

14

-12

3/4″x14

24.486

14

G3/4″x14

24.3875

14

-16

1″x11.5

30.632

11.5

G1″x11

30.611

11

-20

1.1/4″x11.5

39.383

11.5

G1.1/4″x11

39.272

11

-24

1.1/2″x11.5

45.454

11.5

G1.1/2″x11

45.165

11

-32

2″x11.5

57.493

11.5

G2″x11

56.976

11

For Winner brand connectors/adaptors, it is easy identify NPSM thread or BSP thread, see below picture, NPSM thread has three small groove mark on the nut hex point, and BSP thread has one small groove mark on the nut hex point.

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The normal Winner plating of connectors are free of Cr6+, and the corrosion protection performance reached 360h no red rust, it exceeds normal standard.


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  • This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Phoenix from Hongkong - 2017.06.19 13:51
    This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Susan from Sevilla - 2018.12.25 12:43