Description
EMT-CI Corrosion Monitoring Coupons are essential tools for monitoring corrosion rates in pipes or containers. By measuring the mils-per-year corrosion rate of an exposed coupon, these devices provide critical insights into the material’s life expectancy and overall integrity.
1. Information of Corrosion Monitoring Coupons
Access Fitting Body
| Model | ||||||
| EMT-CIPA | Access Fitting Body of Corrosion Monitoring Coupons | |||||
| – The material of Access Fitting Body | ||||||
| 0 | CS | |||||
| 1 | 316SS | |||||
| 2 | 316LSS | |||||
| 3 | DUPLEX SS | |||||
| The Type of Access Fitting Body | ||||||
| B | 2″Welded（suffix “pressure rating” can be added to B） | |||||
| F | 2″ANSI Flange（suffix “pressure rating & sealing type” can be added to F） | |||||
| -Tee Size- pressure rating & sealing type if flanged end | ||||||
| 0 | No Tee | |||||
| 1 | 1/4″NPT(F)Tee | |||||
| 2 | 1/2″NPT(F)Tee | |||||
| 3 | 3/4″NPT(F)Tee | |||||
| 4 | 1″NPT(F)Tee | |||||
| 5 | Hole for 1/4″SWN Flange | |||||
| 6 | Hole for 1/2″SWN Flange | |||||
| 7 | Hole for 3/4″SWN Flange | |||||
| 8 | Hole for 1″SWN Flange | |||||
| -Protective Cover Type/ Material | ||||||
| 0 | No Protective Cover | Material | ||||
| 1 | Without hole | CS or 0 | ||||
| 2 | With hole | SS or 1 | ||||
| 3 | Bleed Valve | DSS or 3 | ||||
| 4 | Bleed Valve, & Pressure Gauge | |||||
| For Example：EMT-CIPA-0F600#RF-2-1/CS shows 2″ANSI 600#RF Flange Access Fitting Body in CS, 1/2″NPT(F)Tee, Protective Cover in CS without hole
0F600#RF: 0F_ Access Fitting Body is Flanged in CS , 600#RF _Size is 2″ANSI 600#RF , 2:Tee size is 1/2NPT(F) 1: Protective cover type is without hole /CS: Protective cove material in CS |
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Corrosion monitoring coupons
| Model | |||||||||||||
| CC | Corrosion Monitoring Coupons | ||||||||||||
| -Code | Plug Body Assembly | ||||||||||||
| Pxxx | Type | Material | Sealing Material | ||||||||||
| 0 | No Request | 0 | CS | 0 | No Request | ||||||||
| 1 | Hollow Plug Body | 1 | 316SS | 1 | Viton O-Ring / PTFE Primary Packing | ||||||||
| 2 | Solid Plug Body | 2 | 316LSS | 2 | HNBR | ||||||||
| 3 | DUPLEX SS | ||||||||||||
| 4 | INCONEL | ||||||||||||
| Type of Coupon Holder | |||||||||||||
| SR | Fixed Coupon Holder for assembling rectangular coupon | ||||||||||||
| AR | Adjustable Coupon Holder for assembling rectangular coupon | ||||||||||||
| LR | Ladder Coupon Holder for assembling rectangular coupon | ||||||||||||
| SC | Fixed Coupon Holder for assembling circular coupon | ||||||||||||
| AC | Adjustable Coupon Holder for assembling circular coupon | ||||||||||||
| -Pipe Size | |||||||||||||
| x | Pipe Size in inch | ||||||||||||
| – Coupon Size | |||||||||||||
| A×B×C | Coupon Size in inch or mm | ||||||||||||
| – Coupon Material | |||||||||||||
| x | Grade | ||||||||||||
| -Finishing of Coupon | |||||||||||||
| 0 | Mill | ||||||||||||
| 1 | Glass Bead | ||||||||||||
| – Isolation Gasket | |||||||||||||
| 0 | No Gasket | ||||||||||||
| 1 | Nylon Gasket | ||||||||||||
| 2 | FTFE Gasket | ||||||||||||
| For Example：CC-P221-SR-6″-3″×1/2″×1/8″-MS1018-0-2 CC: Corrosion Coupons
P221: Solid Plug Body in 316LSS Viton O-Ring and PTFE Primary Packing SR-6″:Fixed Coupon Holder for assembling rectangular coupon and for 6″pipe 3″×1/2″×1/8″: Coupon Size MS1018: Coupon Material 0: Finishing of Coupon is Mill 2: Material of Isolation Gasket is PTFE |
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Example for a set of Corrosion Coupons Assembly：
EMT-CIPA-0F600#RF-0-1+ CC-P221-SR-6″-3″×1/2″×1/8″-MS1018-0-2
2. Advanced Features
- Corrosion Rate Monitoring: Designed to measure the mils-per-year corrosion rate, providing insights into material life expectancy and integrity.
- Sampling and Injection Compatibility: Works seamlessly with sampling and injection systems to extract fluid samples or inject chemicals into pipelines.
- High-Pressure Access System: Comprises three key components—Access Fitting Body, Plug Assembly, and Cover—allowing secure and flexible installations.
- Customizable Internal Assembly: Includes components such as Solid Plug Body, O-Ring, PTFE Primary Packing, and various coupon holders (fixed or adjustable).
- Versatile Technical Parameters: Supports a wide range of pressure ratings (150 LB to 1500 LB) and operating temperatures (-20°C to 200°C), accommodating diverse applications.
- Diverse Coupon Sizes: Available in multiple dimensions and shapes (rectangular and circular), catering to specific monitoring needs in various environments.
3. Specification
Technical Parameters
- Material: As per MR (Material Requirements)
- Sealing Material: Fluororubber or Teflon
- Working Temperature: Ranges from -20°C to 200°C
- Pressure Ratings: Available in 150 LB, 300 LB, 600 LB, 900 LB, and 1500 LB
Coupon Sizes
Corrosion monitoring coupons can be customized in different dimensions to suit specific applications, with standard sizes including:
- 3″ × 1″ × 1/8″
- 2″ × 1″ × 1/8″
- 3″ × 1/2″ × 1/8″
- 2″ × 1/2″ × 1/8″
- Ф31.8 × 3.2 (1 1/4″ × 1/8″)
The EMT Corrosion Coupons are integral in ensuring the longevity and safety of pipeline systems, providing valuable data for maintenance and operational decisions.
