Allen Screw Centralizer Stop Collar, Casing Stop Ring
Puyang Zhongshi Group Co., Ltd.- Certification：ISO 9001:2000, API
- Surface Treatment：Spray-Paint
- Structure：Slider
- Material：Cast Steel
- Type：Stop Collar
- Sample：Avaliable
Base Info
- Model NO.：Allen screw stop collar
- Stop Collar Type：Slip on Type
- Features：with Allen Screw
- Application：One Centralizer with One or Two Stop Collars
- Transport Package：Wooden Case
- Specification：4 1,2′′~20′′
- Trademark：ZS
- Origin：Henan
- Production Capacity：5000 Piece,Pieces Per Month
Description
Basic Info.
Model NO. Allen screw stop collar Stop Collar Type Slip on Type Features with Allen Screw Application One Centralizer with One or Two Stop Collars Transport Package Wooden Case Specification 4 1/2′′~20′′ Trademark ZS Origin Henan Production Capacity 5000 Piece/Pieces Per MonthProduct Description
Product Name: Allen screw centralizer stop collar,casing stop ringDescription of allen screw stop ring
1. Stop collar type:Hinged type and slip on type
2. Size: 4 1/2''~20'', according to the casing OD.
3. Usage: for well drilling area, combine with the centralizers, such as bow spring centralzers, rigid centralizers.
Parameters of allen screw stop ring
Specifications,mm | 13 3/8″ | 10 3/4″ | 9 5/8″ | 8 1/8″ | 7 5/8″ | 7″ | 5 1/2″ | 5″ | 4 1/2″ |
ID,mm | 338 | 272 | 245 | 206 | 193 | 177 | 139 | 126 | 114 |
OD,mm | 350 | 284 | 257 | 218 | 285 | 189 | 151 | 138 | 126 |
| Holding Force,KN | 40 | 40 | 40 | 30 | 30 | 30 | 30 | 24 | 24 |
We have bow casing centralizer and rigid casing centralizer, there are the specification.
Parameter of Bow Casing Centralizers
| Model (in) | Hooping In-Dia. (mm) | Hooping thickness(mm | Total length (mm) | Max.Out-Di (mm) | Amount of spring(mm) |
| 5-1/2" x 8-1/2" | 142-148 | 3-5 | 650±50 | 225±5 | 5 |
| 7" x 9-5/8" | 181-186 | 3-5 | 650±50 | 255±5 | 6 |
| 7" x 8-1/2" | 181-186 | 3-5 | 650±50 | 235±5 | 6 |
| 8-5/8 x 12-1/4" | 223-228 | 3-5 | 650±50 | 330±5 | 8 |
| 9-5/8 x 12-1/4" | 250-255 | 3-5 | 650±50 | 330±5 | 8 |
| 10-3/4 x 12-1/4" | 274-276 | 3-5 | 650±50 | 330±5 | 9 |
| 13-3/8"x17-1/2" | 342-347 | 3-5 | 650±50 | 450±5 | 11 |
| 18-5/8"x24" | 475-477 | 3-5 | 600±50 | 610±5 | 12 |
| 20"x26" | 509-511 | 3-5 | 600±50 | 660±5 | 12 |
| Model | Max OD(mm) | ID(mm) | Length(mm) |
| 4-1/2" x 6" | 145 | 116.5 | 200 |
| 5" x 6" | 145 | 129 | 200 |
| 5-1/2" x 8-1/2" | 205-210 | 142 | 200/300 |
| 6-5/8" x 8-1/2" | 205-210 | 171 | 200/300 |
| 7" x 8-1/2" | 205-210 | 181 | 200/300 |
| 7" x 9-1/2" | 225-235 | 181 | 200/300 |
| 7" x 9-5/8" | 225-235 | 181 | 200/300 |
| 9-5/8" x 12-1/4" | 300-305 | 248 | 200 |
| 13-3/8" x 17-1/2" | 430-435 | 346 | 200 |
If you have inquiry for the centralizer or stop ring, please send us your enquiry!