Stainless Steel Round Tank Door Outward-Open Manway Manhole Cover

• Customization: Available
• After-sales Service: 24 Hours Online
• Warranty: 13 Months
• Model NO.: SYMC-1
• Connection: Welding
• Shape: Equal
• Head Code: Round
• Wall Thickness: 1.5mm
• Material: Stainless Steel
• Technics: Forged
• Certification: DIN, GB, 3A/ISO9001
• Type: Sanitary Manhole Cover
• Product Name: Manhole Cover/Tank Door
• Working Pressure: with or Without Pressure
• Usage: Food, Processing Machine Tank Vessel
• Body Material: Stainless Steel 304/316L
• Customized Support: OEM, ODM, Obm
• Transport Package: Carton Box
• Specification: DN150-DN800
• Trademark: Sanying
• Origin: China
• Production Capacity: 5000/Month
• Package Size: 12.00cm * 10.00cm * 11.00cm
• Package Gross Weight: 5.000kg

Product Description

SS304/316L Sanitary Stainless Steel Round Square Tank Manhole Cover

We provide extensive line of sanitary process valves. Including stainless steel sanitary valves includes sanitary diaphragm valve, sanitary check valve, sanitary ball valve, sanitary sampling valve,sanitary tank bottom valve,sanitary radial tank bottom diaphragm valve,sanitary angle seat valve,sanitary cleaning ball,sanitary butterfly valve,sanitary check valve,sanitary sight galss...And other sanitary valves. They are used to open or close or control the liquid flow. 
All of our sanitary valves are food grade. Inner Ra 0.5 to meet food requirement. Surface is smooth and elegant. 
Gaskets are FDA approved.  
 

	Sanitary butterfly valve	Sanitary Check valve	Sanitary diaphragm valve	Sanitary ball valve
Size	1/2"-4"	1/2"-1"	1/4"-4"	1/2"-4"
Grade	SS304, SS316L	SS304, SS316L	SS304, SS316L	SS304, SS316L
Max temperature	-10ºC-130ºC	-10ºC-130ºC	-20ºC-120ºC	-20ºC-120ºC
Max pressure	10bar	10bar	10bar	10bar
FDA approved	Yes	Yes	Yes	Yes
Inside Ra	0.8	0.8	0.4	0.8
Seal	Silicone, EPDM, FPM, PTFE	NBR,FPE,EPDM	EPDM+PTFE	PTFE

 

	Sanitary angle seat valve	Sanitary sample valve	Sanitary cleaning ball	Sanitary tank bottom valve
Size	1/2"-2.5"	1/2"-1"	25,45,75,28,91mm	3/4"-3"
Grade	SS304, SS316L	SS304, SS316L	SS304, SS316L	SS304, SS316L
Max temperature	-10ºC-180ºC	150ºC	120ºC	-20ºC-150ºC
Max pressure	16bar	10bar	2-4bar	10bar
FDA approved	Yes	Yes	Yes	Yes
Inside Ra	0.8	0.8	0.8	0.8
Seal	PTFE	PTFE	PTFE	EPDM+PTFE

All valves parts are produced from CNC machines. 
Our sanitary valves are widely used for food, beverage, wine, beer, dairy, pharmacy, Bio and chemical industries. 
We provide customization for all products. 

Quality guarantee of 3 years

ISO 9001, FDA, SGS approved materials

7-10 days fast delivery on urgent requirements

10 years' Rich exporting experience to make you easy and happy with custom work
 

Product Recommendations

 

Product Description

• Corrosion Resistance

  • Made from high-grade stainless steel (e.g., 304, 316L), offering excellent resistance to rust, chemicals, and harsh cleaning agents.

• Hygienic Design

  • Smooth, polished surfaces (Ra ≤ 0.8 μm) prevent bacterial growth and meet FDA or 3-A sanitary standards. Easy to clean and sterilize.

• Durability & Strength

  • Withstands high pressure, temperature extremes, and mechanical stress, ensuring long-term reliability in demanding environments.

• Leak-Proof Sealing

  • Equipped with FDA-compliant gaskets (e.g., EPDM, silicone) for airtight/watertight sealing, critical for food, pharmaceutical, and biotech industries.

 

• Easy Maintenance

  • Modular design with quick-release clamps or bolts allows fast disassembly for inspection or cleaning, reducing downtime.

• Customizable

  • Available in various sizes, shapes (round/oval), and configurations (flanged, tri-clamp) to fit specific process needs.

• Compliance

  • Meets international hygiene regulations (GMP, ASME BPE) for industries requiring sterile conditions.

• Aesthetic & Functional

  • Sleek, weld-free finish maintains product integrity while ensuring no contamination risks.

• • .

 

Product Parameters

 

Size	Customized
Material	Stainless steel 304/316L,
Sealing Gasket Material	EPDM
Working  Temperature	-10°C-130
Working Pressure	2-5Mpa
Investment Casting	Yes
Surface Polishing	Ra0.4μm
Internal surface	Ra0.4μm
Certificate	3A/54-02 (1580), PED/97/23/EC, FDA 177.2600

 

 

Company Profile

Zhejiang Sanying Fluid Equipment Co., Ltd.
 

We  supply sanitary diaphragm valve, sanitary check valve, sanitary ball valve, sanitary sampling valve,sanitary tank bottom valve,sanitary radial tank bottom diaphragm valve,sanitary angle seat valve,sanitary butterfly valve,sanitary check valve,
 

Sanitary elbow, sanitary tee, sanitary reducers, sanitary unions, sanitary clamp, sanitary ferrule, sanitary pipe clamps, sanitary cleaning ball, sanitary sight glass, sanitary manway manhole cover, sanitary strainer, filters, and other sanitary pipe fittings...

Welcome to check our other products.
  

High production capacity
Sanying Fluid Equipment Co., Ltd. was established in 2014, strategically situated in Wenzhou, China. Boasting a team of approximately 100 skilled workers, our expansive factory spans 14000m2, dedicated to delivering exceptional valve and pipe solutions with precision and excellence.
We are a leading manufacturing and trading combo for sanitary valves,pipe and tank fittings more than decades years. we offer comprehensive stainless steel manufacturing solutions for pharmaceutical,food,beverage,dairy ,winery,beer,water treatment,fine chemical and other industries.

 Mainly manufacture:
Stainless steel sanitary diaphragm valves, sanitary check valves, sanitary ball valves, sanitary sampling valves,sanitary tank bottom valves,sanitary radial tank bottom diaphragm valves,sanitary angle seat valves,sanitary butterfly valves,sanitary check valves
Stainless steel sanitary elbow, tee, reducer, ferrule, and union fittings, engineered for seamless connectivity and outstanding performance.
Stainless steel sight glass, spray ball, manhole cover, flanges, strainers, filters, and pipe clamps, offering comprehensive solutions to meet your varying operational demands.

Extensive inventory of pipe fittings
Our extensive inventory of pipe fittings features an array of stainless steel options: elbows, tees, reducers, unions, ferrules, butterfly valves, check valves, and ball valves, empowering us to deliver goods promptly and with unparalleled efficiency.

13-months guarantee and 24 hours concerns(Response Rate >95%)
Our pledge to excellence is embodied in our promise of swift 24-hour resolution for any quality complaints, nurturing customer satisfaction while driving continuous enhancement.

At Sanying Fluid Equipment Co., Ltd., we extend an unmatched 13-months guarantee on all stainless steel components, offering you peace of mind. Should any quality issues surface with our valves and fittings, please do not hesitate to contact us. We assure a swift response with action initiated within 24 hours to resolve any concerns effectively.

 

 

International standards
Our products are expertly crafted to align with SMS,DIN,ISO, 3A,which is similar as ANSI B16.5/ASME/BPE and other international standards.
Sanying Fluid Equipment Co., Ltd. proudly extends its reach to a diverse array of countries and regions including America,Pakistan,Vietnam, India, Russia, South Korea, Thailand, and more, amassing a remarkable presence in over 100 countries worldwide.
Sanying stands as a paragon of quality assurance, adorned with the prestigious FDA and ISO 9001 certifications, which exemplify our unwavering dedication to superior quality management. Our products also adhere to FDA standards, reinforcing trust and reliability at every step.

 

Welcome to the factory

√ With over 10 years of industry expertise, we demonstrate a strong commitment to quality and innovative solutions.

√ Spanning an impressive 14000m2, our state-of-the-art facility is adeptly equipped to manage diverse production demands with flawless efficiency.

√ Our skilled workforce of 100 employees fuels our engine of excellence and propels our growth trajectory.

√ Thriving in over 100+ countries, our expansive global reach is a testament to the trust and satisfaction our international clientele repose in us.

√ With a formidable network of 1000+ partners worldwide, our collaborative endeavours continue to drive success and shared aspirations.

 

Certifications

FDA:FPM

FDA:SILICONE

FDA:EPDM

FDA:PTFE

ISO9001

Application

FAQ

 

1. Are you a trading company or factory? 
We are a manufacturer factory and we also have our own exporting license. 

2. What is a hygienic stainless steel manway? 
A hygienic stainless steel manway is an access port designed for tanks, vessels, or pipelines in sanitary processing industries. It ensures easy inspection, cleaning, and maintenance while meeting strict hygiene standards.

3. What industries use hygienic stainless steel manways? 
These manways are commonly used in food & beverage, pharmaceutical, biotechnology, dairy, and cosmetic industries where cleanliness and corrosion resistance are critical.

4. If there is any quality problem, how do you solve it? 
We are very proud that we never make one customer leave us. We are not 100% perfect, there is some quality problem. 
Normally replacement, or compensation, or resend goods to customers as per the condition. To be discussed as per condition. 

5. How long is your delivery time? 
For normal products in 7-10 days; For bulk order, in 15-25 days. It depends. 

6. Warranty time? 
3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers. 

7. Why trust in us? 
14 years in this industry. It makes us professional. Good credit in this market. 
All of our machines are the assurance of our responsibility. 

8. Free sample? 
Free samples can be provided for first cooperation under sincere cooperation. 

9. What is the MOQ? 
1PCS MOQ is welcome for starting cooperatoon

10. Material certificate? 
Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us. 

11. More questions are appreciated