NOSHOK 628 intrinsically safe hammer union pressure transmitter, 345 to 1,380 bar, Inconel X-750, 4–20 mA
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Quick overview
- Type: Pressure transmitters
- Signal / Protocol: 4–20 mA
- Hazardous area: Hazardous-area rated / option
- Genuine productsSourced from the manufacturer or authorised channels
- Delivery across BangladeshDhaka, Chattogram and all industrial zones
- After-sales supportInstallation guidance and warranty handling
- Reply within 24 hoursCall +880 1713 552466 or email hello@argonmark.com
Specifications
| General | |
|---|---|
| Part no. | BD-1557 |
| Category | Oil & Gas Instruments |
| Group | Instrumentation & Control |
| Brand | NOSHOK |
| Model | 628 |
| Technical | |
| Type | Pressure transmitters |
| Signal / Protocol | 4–20 mA |
| Hazardous area | Hazardous-area rated / option |
Datasheet
Technical features
| Heavy-duty hammer union transmitter for oilfield service | |
| Inconel X-750 diaphragm and connection; NACE MR0175 / ISO 15156 | |
| Each sensor supplied with a calibration certificate | |
| IP67; shock 100 g, vibration 15 g |
Applications
| Fracturing, cementing and acidizing | |
| Choke and kill manifolds, mud pumps and mud logging | |
| Wellhead pressure, oil field and offshore |
Key specifications
| Range | 0–5,000 to 0–20,000 psi (345–1,380 bar) |
|---|---|
| Accuracy | ±0.25% FS BFSL |
| Output | 4–20 mA 2-wire |
| Supply | 10–28 V DC |
| Wetted materials | Inconel X-750 diaphragm and hammer union connection (NACE MR0175) |
| Approvals | CSA IS Class I Div 1 Groups A–D T4, Class I Zone 0 AEx/Ex; non-incendive Class I Div 2 |
Specification
| Ranges | 0–5,000, 6,000, 10,000, 15,000, 20,000 psig |
|---|---|
| Accuracy | ±0.25% FS BFSL incl. zero and span errors |
| Stability | ±0.2% FS per year |
| Response time | < 2 ms |
| Durability | > 10 million cycles |
| Proof / burst | 1.5 × FS / 3 × FS (22,500 psi max.) |
| Temperature | Compensated 5–60 °C; media, ambient and storage −40 to 85 °C |
| Supply | 10–28 V DC; load (U − 10 V) / 0.020 A |
| Materials | Inconel X-750 diaphragm and connection; 316 SS housing |
| Protection | IP67 (depending on connection); reverse polarity, over-voltage and short-circuit protected |
| Hazardous approvals | CSA: IS Class I Div 1 Groups A–D T4, Class II Div 1 E–G, Class III, Class I Zone 0; non-incendive Class I Div 2, Zone 2 AEx/Ex ic IIC T4 |
| Weight | ≈ 2.7 kg |
Notes
| Data from the manufacturer's published datasheet. Confirm model, range, materials and approvals with Argonmark before ordering. |
Photo: courtesy of NOSHOK, used with permission (source) — background removed by Argonmark. All photo credits
Description
The NOSHOK 628 is an intrinsically safe hammer union pressure transmitter for oilfield service, with ranges from 0–5,000 to 0–20,000 psi (about 345 to 1,380 bar) and ±0.25% FS accuracy. Its diaphragm and hammer union connection are Inconel X-750, compliant with NACE MR0175, for sour and abrasive well fluids.
It gives a two-wire 4–20 mA output from 10–28 V DC, operates from −40 to 85 °C and is CSA approved for Class I Div 1 / Zone 0 intrinsically safe and Div 2 non-incendive use. Each unit ships with a calibration certificate.
Argonmark Ltd supplies NOSHOK instruments across Bangladesh — Dhaka, Chattogram, Gazipur, Narayanganj and the gas fields, refineries, terminals and power plants beyond. Send us the model, range, process connection, output and any hazardous-area requirement, and we will confirm the right configuration, lead time and price.
Questions & answers
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